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The British Isles are a
group of islands An archipelago ( ), sometimes called an island group or island chain, is a chain, cluster, or collection of islands, or sometimes a sea containing a small number of scattered islands. Examples of archipelagos include: the Indonesian Archipe ...
in the
North Atlantic Ocean The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the " Old World" of Africa, Europe a ...
off the north-western coast of continental Europe, consisting of the islands of
Great Britain Great Britain is an island in the North Atlantic Ocean off the northwest coast of continental Europe. With an area of , it is the largest of the British Isles, the largest European island and the ninth-largest island in the world. It is ...
,
Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...
, the
Isle of Man ) , anthem = " O Land of Our Birth" , image = Isle of Man by Sentinel-2.jpg , image_map = Europe-Isle_of_Man.svg , mapsize = , map_alt = Location of the Isle of Man in Europe , map_caption = Location of the Isle of Man (green) in Europ ...
, the Inner and Outer
Hebrides The Hebrides (; gd, Innse Gall, ; non, Suðreyjar, "southern isles") are an archipelago off the west coast of the Scottish mainland. The islands fall into two main groups, based on their proximity to the mainland: the Inner and Outer Hebrid ...
, the
Northern Isles The Northern Isles ( sco, Northren Isles; gd, Na h-Eileanan a Tuath; non, Norðreyjar; nrn, Nordøjar) are a pair of archipelagos off the north coast of mainland Scotland, comprising Orkney and Shetland. They are part of Scotland, as are th ...
(
Orkney Orkney (; sco, Orkney; on, Orkneyjar; nrn, Orknøjar), also known as the Orkney Islands, is an archipelago in the Northern Isles of Scotland, situated off the north coast of the island of Great Britain. Orkney is 10 miles (16 km) nort ...
and
Shetland Shetland, also called the Shetland Islands and formerly Zetland, is a subarctic archipelago in Scotland lying between Orkney, the Faroe Islands and Norway. It is the northernmost region of the United Kingdom. The islands lie about to the ...
), and over six thousand smaller islands. They have a total area of and a combined population of almost 72 million, and include two
sovereign state A sovereign state or sovereign country, is a polity, political entity represented by one central government that has supreme legitimate authority over territory. International law defines sovereign states as having a permanent population, defin ...
s, the
Republic of Ireland Ireland ( ga, Éire ), also known as the Republic of Ireland (), is a country in north-western Europe consisting of 26 of the 32 Counties of Ireland, counties of the island of Ireland. The capital and largest city is Dublin, on the eastern ...
(which covers roughly five-sixths of Ireland), and the
United Kingdom of Great Britain and Northern Ireland The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...
. The
Channel Islands The Channel Islands ( nrf, Îles d'la Manche; french: îles Anglo-Normandes or ''îles de la Manche'') are an archipelago in the English Channel, off the French coast of Normandy. They include two Crown Dependencies: the Bailiwick of Jersey ...
, off the north coast of
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...
, are normally taken to be part of the British Isles, even though geographically they do not form part of the
archipelago An archipelago ( ), sometimes called an island group or island chain, is a chain, cluster, or collection of islands, or sometimes a sea containing a small number of scattered islands. Examples of archipelagos include: the Indonesian Archi ...
. Under the UK Interpretation Act 1978, the Channel Islands are clarified as forming part of the
British Islands The British Islands is a term within the law of the United Kingdom which refers collectively to the following four polities: * the United Kingdom of Great Britain and Northern Ireland (formerly the United Kingdom of Great Britain and Ireland) ...
, not to be confused with the British Isles. The oldest rocks are 2.7 billion years old and are found in Ireland, Wales and the north-west of Scotland. During the
Silurian The Silurian ( ) is a geologic period and system spanning 24.6 million years from the end of the Ordovician Period, at million years ago (Mya), to the beginning of the Devonian Period, Mya. The Silurian is the shortest period of the Paleozoi ...
period, the north-western regions collided with the south-east, which had been part of a separate continental landmass. The topography of the islands is modest in scale by global standards.
Ben Nevis Ben Nevis ( ; gd, Beinn Nibheis ) is the highest mountain in Scotland, the United Kingdom and the British Isles. The summit is above sea level and is the highest land in any direction for . Ben Nevis stands at the western end of the Grampian ...
, the highest mountain, rises to only , and
Lough Neagh Lough Neagh ( ) is a freshwater lake in Northern Ireland and is the largest lake in the island of Ireland, the United Kingdom and the British Isles. It has a surface area of and supplies 40% of Northern Ireland's water. Its main inflows come ...
, which is notably larger than other lakes in the island group, covers . The climate is temperate marine, with cool winters and warm summers. The North Atlantic drift brings significant moisture and raises temperatures above the global average for the latitude. This led to a landscape that was long dominated by temperate rainforest, although human activity has since cleared the vast majority of
forest cover Forest cover is the amount of forest that covers a particular area of land. It may be measured as relative (in percent) or absolute (in square kilometres/ square miles). Around a third of the world's surface is covered with forest, with closed-cano ...
. The region was re-inhabited after the last glacial period of
Quaternary glaciation The Quaternary glaciation, also known as the Pleistocene glaciation, is an alternating series of glacial and interglacial periods during the Quaternary period that began 2.58 Ma (million years ago) and is ongoing. Although geologists describ ...
, by 12,000 BC, when Great Britain was still part of a peninsula of the European continent. Ireland may have been connected to Great Britain by way of an
ice bridge An ice bridge is a frozen natural structure formed over seas, bays, rivers or lake surfaces. They facilitate migration of animals or people over a water body that was previously uncrossable by terrestrial animals, including humans. The most signi ...
before 14,000 BC, and was not inhabited until after 8000 BC. Great Britain became an island by 7000 BC with the flooding of
Doggerland Doggerland was an area of land, now submerged beneath the North Sea, that connected Britain to continental Europe. It was flooded by rising sea levels around 6500–6200 BCE. The flooded land is known as the Dogger Littoral. Geological su ...
. The
Gaels The Gaels ( ; ga, Na Gaeil ; gd, Na Gàidheil ; gv, Ny Gaeil ) are an ethnolinguistic group native to Ireland, Scotland and the Isle of Man in the British Isles. They are associated with the Gaelic languages: a branch of the Celtic lan ...
(Ireland),
Picts The Picts were a group of peoples who lived in what is now northern and eastern Scotland (north of the Firth of Forth) during Late Antiquity and the Early Middle Ages. Where they lived and what their culture was like can be inferred from ea ...
(northern Great Britain) and
Britons British people or Britons, also known colloquially as Brits, are the citizens of the United Kingdom of Great Britain and Northern Ireland, the British Overseas Territories, and the Crown dependencies.: British nationality law governs m ...
(southern Great Britain), all speaking
Insular Celtic languages Insular Celtic languages are the group of Celtic languages of Brittany, Great Britain, Ireland, and the Isle of Man. All surviving Celtic languages are in the Insular group, including Breton, which is spoken on continental Europe in Brittany, ...
, inhabited the islands at the beginning of the 1st millennium BC. Much of Brittonic-occupied Britain was conquered by the Roman Empire from AD 43. The first
Anglo-Saxons The Anglo-Saxons were a cultural group who inhabited England in the Early Middle Ages. They traced their origins to settlers who came to Britain from mainland Europe in the 5th century. However, the ethnogenesis of the Anglo-Saxons happened wit ...
arrived as Roman power waned in the 5th century, and eventually they dominated the bulk of what is now England.
Viking Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and s ...
invasions began in the 9th century, followed by more permanent settlements and political change, particularly in England. The Norman conquest of England in 1066 and the later Angevin partial conquest of Ireland from 1169 led to the imposition of a new Norman ruling elite across much of Britain and parts of Ireland. By the
Late Middle Ages The Late Middle Ages or Late Medieval Period was the period of European history lasting from AD 1300 to 1500. The Late Middle Ages followed the High Middle Ages and preceded the onset of the early modern period (and in much of Europe, the Ren ...
, Great Britain was separated into the Kingdom of England and Kingdom of Scotland, while control in Ireland fluxed between Gaelic kingdoms, Hiberno-Norman lords and the English-dominated
Lordship of Ireland The Lordship of Ireland ( ga, Tiarnas na hÉireann), sometimes referred to retroactively as Norman Ireland, was the part of Ireland ruled by the King of England (styled as "Lord of Ireland") and controlled by loyal Anglo-Norman lords between ...
, soon restricted only to
The Pale The Pale ( Irish: ''An Pháil'') or the English Pale (' or ') was the part of Ireland directly under the control of the English government in the Late Middle Ages. It had been reduced by the late 15th century to an area along the east coast s ...
. The 1603
Union of the Crowns The Union of the Crowns ( gd, Aonadh nan Crùintean; sco, Union o the Crouns) was the accession of James VI of Scotland to the throne of the Kingdom of England as James I and the practical unification of some functions (such as overseas dipl ...
,
Acts of Union 1707 The Acts of Union ( gd, Achd an Aonaidh) were two Act of Parliament, Acts of Parliament: the Union with Scotland Act 1706 passed by the Parliament of England, and the Union with England Act 1707 passed by the Parliament of Scotland. They put ...
and
Acts of Union 1800 The Acts of Union 1800 (sometimes incorrectly referred to as a single 'Act of Union 1801') were parallel acts of the Parliament of Great Britain and the Parliament of Ireland which united the Kingdom of Great Britain and the Kingdom of Ire ...
aimed to consolidate Great Britain and Ireland into a single political unit, the United Kingdom of Great Britain and Ireland, with the Isle of Man and the Channel Islands remaining as Crown Dependencies. The expansion of the British Empire and migrations following the
Irish Famine The Great Famine ( ga, an Gorta Mór ), also known within Ireland as the Great Hunger or simply the Famine and outside Ireland as the Irish Potato Famine, was a period of starvation and disease in Ireland from 1845 to 1852 that constituted a ...
and
Highland Clearances The Highland Clearances ( gd, Fuadaichean nan Gàidheal , the "eviction of the Gaels") were the evictions of a significant number of tenants in the Scottish Highlands and Islands, mostly in two phases from 1750 to 1860. The first phase resul ...
resulted in the dispersal of some of the islands' population and culture throughout the world, and rapid depopulation of Ireland in the second half of the 19th century. Most of Ireland seceded from the United Kingdom after the
Irish War of Independence The Irish War of Independence () or Anglo-Irish War was a guerrilla war fought in Ireland from 1919 to 1921 between the Irish Republican Army (1919–1922), Irish Republican Army (IRA, the army of the Irish Republic) and United Kingdom of Gre ...
and the subsequent
Anglo-Irish Treaty The 1921 Anglo-Irish Treaty ( ga , An Conradh Angla-Éireannach), commonly known in Ireland as The Treaty and officially the Articles of Agreement for a Treaty Between Great Britain and Ireland, was an agreement between the government of the ...
(1919–1922), with six counties remaining in the UK as Northern Ireland. As a term, "British Isles" is a
geographical Geography (from Greek: , ''geographia''. Combination of Greek words ‘Geo’ (The Earth) and ‘Graphien’ (to describe), literally "earth description") is a field of science devoted to the study of the lands, features, inhabitants, and ...
name and not a political unit. In Ireland, the term is
controversial Controversy is a state of prolonged public dispute or debate, usually concerning a matter of conflicting opinion or point of view. The word was coined from the Latin ''controversia'', as a composite of ''controversus'' – "turned in an opposite ...
, and there are objections to its usage. The
Government of Ireland The Government of Ireland ( ga, Rialtas na hÉireann) is the cabinet that exercises executive authority in Ireland. The Constitution of Ireland vests executive authority in a government which is headed by the , the head of government. The go ...
does not officially recognise the term,Written Answers – Official Terms"
,
Dáil Éireann Dáil Éireann ( , ; ) is the lower house, and principal chamber, of the Oireachtas (Irish legislature), which also includes the President of Ireland and Seanad Éireann (the upper house).Article 15.1.2º of the Constitution of Ireland r ...
, Volume 606, 28 September 2005. In his response, the Irish Minister for Foreign Affairs stated that "The British Isles is not an officially recognised term in any legal or inter-governmental sense. It is without any official status. The Government, including the Department of Foreign Affairs, does not use this term. Our officials in the Embassy of Ireland, London, continue to monitor the media in Britain for any abuse of the official terms as set out in the Constitution of Ireland and in legislation. These include the name of the State, the President,
Taoiseach The Taoiseach is the head of government, or prime minister, of Ireland. The office is appointed by the president of Ireland upon the nomination of Dáil Éireann (the lower house of the Oireachtas, Ireland's national legislature) and the offi ...
and others."
and its embassy in London discourages its use. "Britain and Ireland" is used as an alternative description, and "Atlantic Archipelago" has also seen limited use in academia. In official documents created jointly by Ireland and the United Kingdom, such as the
Good Friday Agreement The Good Friday Agreement (GFA), or Belfast Agreement ( ga, Comhaontú Aoine an Chéasta or ; Ulster-Scots: or ), is a pair of agreements signed on 10 April 1998 that ended most of the violence of The Troubles, a political conflict in Nor ...
, the term "these islands" is used.


Etymology

The earliest known references to the islands as a group appeared in the writings of seafarers from the ancient Greek colony of
Massalia Massalia (Greek: Μασσαλία; Latin: Massilia; modern Marseille) was an ancient Greek colony founded ca. 600 BC on the Mediterranean coast of present-day France, east of the river Rhône, by Ionian Greek settlers from Phocaea, in Western ...
. Foster, p. 1. The original records have been lost; however, later writings, e.g.
Avienius Postumius Rufius Festus Avienius (sometimes erroneously Avienus) was a Latin writer of the 4th century AD. He was a native of Volsinii in Etruria, from the distinguished family of the Rufii Festi. Avienius is not identical with the historian ...
's '' Ora maritima'', that quoted from the
Massaliote Periplus The Massaliote Periplus or Massiliote Periplus is a theoretical reconstruction of a sixth-century BC periplus, or sailing manual, proposed by Adolf Schulten.The Extraordinary Voyage of Pytheas the Greek: The Man Who Discovered Britain (2001), Walk ...
(6th century BC) and from
Pytheas Pytheas of Massalia (; Ancient Greek: Πυθέας ὁ Μασσαλιώτης ''Pythéas ho Massaliōtēs''; Latin: ''Pytheas Massiliensis''; born 350 BC, 320–306 BC) was a Greek geographer, explorer and astronomer from the Greek colo ...
's ''On the Ocean'' (around 325–320 BC) have survived. In the 1st century BC,
Diodorus Siculus Diodorus Siculus, or Diodorus of Sicily ( grc-gre, Διόδωρος ;  1st century BC), was an ancient Greek historian. He is known for writing the monumental universal history '' Bibliotheca historica'', in forty books, fifteen of which ...
has ''Prettanikē nēsos'',Diodorus Siculus' ''Bibliotheca Historica'' Book V. Chapter XXI. Section
Greek text
at the
Perseus Project The Perseus Project is a digital library project of Tufts University, which assembles digital collections of humanities resources. Version 4.0 is also known as the "Perseus Hopper", and it is hosted by the Department of Classical Studies. The proj ...
.
"the British Island", and ''Prettanoi'',Diodorus Siculus' ''Bibliotheca Historica'' Book V. Chapter XXI. Section
Greek text
at the
Perseus Project The Perseus Project is a digital library project of Tufts University, which assembles digital collections of humanities resources. Version 4.0 is also known as the "Perseus Hopper", and it is hosted by the Department of Classical Studies. The proj ...
.
"the Britons". Allen, p. 172–174. Strabo used Βρεττανική (''Brettanike''),Strabo's ''Geography'' Book I. Chapter IV. Section
Greek text
an
English translation
at the
Perseus Project The Perseus Project is a digital library project of Tufts University, which assembles digital collections of humanities resources. Version 4.0 is also known as the "Perseus Hopper", and it is hosted by the Department of Classical Studies. The proj ...
.
Strabo's ''Geography'' Book IV. Chapter II. Section
Greek text
an
English translation
at the
Perseus Project The Perseus Project is a digital library project of Tufts University, which assembles digital collections of humanities resources. Version 4.0 is also known as the "Perseus Hopper", and it is hosted by the Department of Classical Studies. The proj ...
.
Strabo's ''Geography'' Book IV. Chapter IV. Section
Greek text
an
English translation
at the
Perseus Project The Perseus Project is a digital library project of Tufts University, which assembles digital collections of humanities resources. Version 4.0 is also known as the "Perseus Hopper", and it is hosted by the Department of Classical Studies. The proj ...
.
and
Marcian of Heraclea Marcian of Heraclea ( grc-gre, Μαρκιανὸς Ἡρακλεώτης, ''Markianòs Hērakleṓtēs''; la, Marcianus Heracleënsis; fl. century AD) was a minor Greek geographer from Heraclea Pontica in Late Antiquity. His known works are: * ...
, in his ''Periplus maris exteri'', used αἱ Πρεττανικαί νῆσοι (''the Prettanic Isles'') to refer to the islands. Greek text and Latin Translation thereof archived at the
Open Library Open Library is an online project intended to create "one web page for every book ever published". Created by Aaron Swartz, Brewster Kahle, Alexis Rossi, Anand Chitipothu, and Rebecca Malamud, Open Library is a project of the Internet Archive, ...
Project.
Historians today, though not in absolute agreement, largely agree that these Greek and Latin names were probably drawn from native Celtic-language names for the archipelago. Along these lines, the inhabitants of the islands were called the Πρεττανοί ('' Priteni'' or ''Pretani''). The shift from the "P" of ''Pretannia'' to the "B" of ''
Britannia Britannia () is the national personification of Britain as a helmeted female warrior holding a trident and shield. An image first used in classical antiquity, the Latin ''Britannia'' was the name variously applied to the British Isles, Gr ...
'' by the Romans occurred during the time of Julius Caesar. Snyder, p. 12.
Greco-Egyptian The Egyptiotes, also known as Egyptian Greeks ( el, Αιγυπτιώτες), have existed from the Hellenistic period until the aftermath of the Egyptian revolution of 1952, when most were forced to leave. Antiquity Greeks have been present in ...
Claudius Ptolemy Claudius Ptolemy (; grc-gre, Πτολεμαῖος, ; la, Claudius Ptolemaeus; AD) was a mathematician, astronomer, astrologer, geographer, and music theorist, who wrote about a dozen scientific treatises, three of which were of importan ...
referred to the larger island as ''great Britain'' (μεγάλη Βρεττανία ''megale Brettania'') and to Ireland as ''little Britain'' (μικρὰ Βρεττανία ''mikra Brettania'') in his work ''
Almagest The ''Almagest'' is a 2nd-century Greek-language mathematical and astronomical treatise on the apparent motions of the stars and planetary paths, written by Claudius Ptolemy ( ). One of the most influential scientific texts in history, it cano ...
'' (147–148 AD). In his later work, ''
Geography Geography (from Greek: , ''geographia''. Combination of Greek words ‘Geo’ (The Earth) and ‘Graphien’ (to describe), literally "earth description") is a field of science devoted to the study of the lands, features, inhabitants, a ...
'' (), he gave these islands the names '' Alwion'', '' Iwernia'', and ''Mona'' (the Isle of Man), suggesting these may have been names of the individual islands not known to him at the time of writing ''Almagest''. The name ''Albion'' appears to have fallen out of use sometime after the Roman conquest of Great Britain, after which ''Britain'' became the more commonplace name for the island called Great Britain in the English language. However, the cognate 'alba' has given its name to Scotland in most Celtic languages : Alba in Scottish Gaelic, Albey in Manx, Albain in Irish and Alban in Cornish and Welsh. The earliest known use of the phrase ''Brytish Iles'' in the English language is dated 1577 in a work by
John Dee John Dee (13 July 1527 – 1608 or 1609) was an English mathematician, astronomer, astrologer, teacher, occultist, and alchemist. He was the court astronomer for, and advisor to, Elizabeth I, and spent much of his time on alchemy, divinatio ...
.John Dee, 1577. 1577 J. ''Arte Navigation'', p. 65 "The syncere Intent, and faythfull Aduise, of Georgius Gemistus Pletho, was, I could..frame and shape very much of Gemistus those his two Greek Orations..for our Brytish Iles, and in better and more allowable manner." From the OED, s.v. "British Isles" Today, this name is seen by some as carrying imperialist overtones although it is still commonly used. Other names used to describe the islands include the ''
Anglo-Celtic Anglo-Celtic people are descended primarily from British and Irish people. The concept is mainly relevant outside of Great Britain and Ireland, particularly in Australia, but is also used in Canada, the United States, New Zealand and South Africa ...
Isles'', ''Atlantic archipelago'' (a term coined by the historian
J. G. A. Pocock John Greville Agard Pocock (; born 7 March 1924) is a historian of political thought from New Zealand. He is especially known for his studies of republicanism in the early modern period (mostly in Europe, Britain, and America), his work on th ...
in 1975), ''British-Irish Isles'',''Britain and Ireland'', ''UK and Ireland'', and ''British Isles and Ireland''. Owing to political and national associations with the word ''British'', the Government of Ireland does not use the term ''British Isles'' and in documents drawn up jointly between the British and Irish governments, the archipelago is referred to simply as "these islands". British Isles is still the most widely accepted term for the archipelago.


Geography

The British Isles lie at the juncture of several regions with past episodes of tectonic mountain building. These
orogenic belts Orogeny is a mountain building process. An orogeny is an event that takes place at a convergent plate margin when plate motion compresses the margin. An '' orogenic belt'' or ''orogen'' develops as the compressed plate crumples and is uplifted ...
form a complex geology that records a huge and varied span of Earth's history. Of particular note was the
Caledonian orogeny The Caledonian orogeny was a mountain-building era recorded in the northern parts of the British Isles, the Scandinavian Mountains, Svalbard, eastern Greenland and parts of north-central Europe. The Caledonian orogeny encompasses events that oc ...
during the
Ordovician The Ordovician ( ) is a geologic period and system, the second of six periods of the Paleozoic Era. The Ordovician spans 41.6 million years from the end of the Cambrian Period million years ago (Mya) to the start of the Silurian Period Mya. ...
and early Silurian periods, when the
craton A craton (, , or ; from grc-gre, κράτος "strength") is an old and stable part of the continental lithosphere, which consists of Earth's two topmost layers, the crust and the uppermost mantle. Having often survived cycles of merging and ...
Baltica Baltica is a paleocontinent that formed in the Paleoproterozoic and now constitutes northwestern Eurasia, or Europe north of the Trans-European Suture Zone and west of the Ural Mountains. The thick core of Baltica, the East European Craton, is ...
collided with the
terrane In geology, a terrane (; in full, a tectonostratigraphic terrane) is a crust fragment formed on a tectonic plate (or broken off from it) and accreted or " sutured" to crust lying on another plate. The crustal block or fragment preserves its ow ...
Avalonia Avalonia was a microcontinent in the Paleozoic era. Crustal fragments of this former microcontinent underlie south-west Great Britain, southern Ireland, and the eastern coast of North America. It is the source of many of the older rocks of We ...
to form the mountains and hills in northern Britain and Ireland. Baltica formed roughly the north-western half of Ireland and Scotland. Further collisions caused the
Variscan orogeny The Variscan or Hercynian orogeny was a geologic mountain-building event caused by Late Paleozoic continental collision between Euramerica (Laurussia) and Gondwana to form the supercontinent of Pangaea. Nomenclature The name ''Variscan'', comes ...
in the
Devonian The Devonian ( ) is a geologic period and system of the Paleozoic era, spanning 60.3 million years from the end of the Silurian, million years ago (Mya), to the beginning of the Carboniferous, Mya. It is named after Devon, England, w ...
and Carboniferous periods, forming the hills of
Munster Munster ( gle, an Mhumhain or ) is one of the provinces of Ireland, in the south of Ireland. In early Ireland, the Kingdom of Munster was one of the kingdoms of Gaelic Ireland ruled by a "king of over-kings" ( ga, rí ruirech). Following th ...
, south-west England, and southern Wales. Over the last 500 million years the land that forms the islands has drifted north-west from around 30°S, crossing the
equator The equator is a circle of latitude, about in circumference, that divides Earth into the Northern and Southern hemispheres. It is an imaginary line located at 0 degrees latitude, halfway between the North and South poles. The term can al ...
around 370 million years ago to reach its present northern latitude. The islands have been shaped by numerous glaciations during the
Quaternary Period The Quaternary ( ) is the current and most recent of the three periods of the Cenozoic Era in the geologic time scale of the International Commission on Stratigraphy (ICS). It follows the Neogene Period and spans from 2.58 million years ...
, the most recent being the Devensian. As this ended, the central
Irish Sea The Irish Sea or , gv, Y Keayn Yernagh, sco, Erse Sie, gd, Muir Èireann , Ulster-Scots: ''Airish Sea'', cy, Môr Iwerddon . is an extensive body of water that separates the islands of Ireland and Great Britain. It is linked to the Ce ...
was deglaciated and the English Channel flooded, with sea levels rising to current levels some 8,000 years ago, leaving the British Isles in their current form. There are about 136 permanently inhabited islands in the group, the largest two being Great Britain and Ireland. Great Britain is to the east and covers . Ireland is to the west and covers . The largest of the other islands are to be found in the
Hebrides The Hebrides (; gd, Innse Gall, ; non, Suðreyjar, "southern isles") are an archipelago off the west coast of the Scottish mainland. The islands fall into two main groups, based on their proximity to the mainland: the Inner and Outer Hebrid ...
,
Orkney Orkney (; sco, Orkney; on, Orkneyjar; nrn, Orknøjar), also known as the Orkney Islands, is an archipelago in the Northern Isles of Scotland, situated off the north coast of the island of Great Britain. Orkney is 10 miles (16 km) nort ...
and
Shetland Shetland, also called the Shetland Islands and formerly Zetland, is a subarctic archipelago in Scotland lying between Orkney, the Faroe Islands and Norway. It is the northernmost region of the United Kingdom. The islands lie about to the ...
to the north,
Anglesey Anglesey (; cy, (Ynys) Môn ) is an island off the north-west coast of Wales. It forms a Local government in Wales, principal area known as the Isle of Anglesey, that includes Holy Island, Anglesey, Holy Island across the narrow Cymyran Strai ...
and the Isle of Man between Great Britain and Ireland, and the
Channel Islands The Channel Islands ( nrf, Îles d'la Manche; french: îles Anglo-Normandes or ''îles de la Manche'') are an archipelago in the English Channel, off the French coast of Normandy. They include two Crown Dependencies: the Bailiwick of Jersey ...
near the coast of France. The most densely populated island is
Portsea Island Portsea Island is a flat and low-lying natural island in area, just off the southern coast of Hampshire in England. Portsea Island contains the majority of the city of Portsmouth. Portsea Island has the third-largest population of all th ...
, which has an area of but has the third highest population behind Great Britain and Ireland. The islands are at relatively low altitudes, with central Ireland and southern Great Britain particularly low-lying: the lowest point in the islands is the North Slob in County Wexford, Ireland, with an elevation of . The
Scottish Highlands The Highlands ( sco, the Hielands; gd, a’ Ghàidhealtachd , 'the place of the Gaels') is a historical region of Scotland. Culturally, the Highlands and the Lowlands diverged from the Late Middle Ages into the modern period, when Lowland ...
in the northern part of Great Britain are mountainous, with
Ben Nevis Ben Nevis ( ; gd, Beinn Nibheis ) is the highest mountain in Scotland, the United Kingdom and the British Isles. The summit is above sea level and is the highest land in any direction for . Ben Nevis stands at the western end of the Grampian ...
being the highest point on the islands at . Other mountainous areas include Wales and parts of Ireland, although only seven peaks in these areas reach above . Lakes on the islands are generally not large, although
Lough Neagh Lough Neagh ( ) is a freshwater lake in Northern Ireland and is the largest lake in the island of Ireland, the United Kingdom and the British Isles. It has a surface area of and supplies 40% of Northern Ireland's water. Its main inflows come ...
in Northern Ireland is an exception, covering . The largest freshwater body in Great Britain (by area) is
Loch Lomond Loch Lomond (; gd, Loch Laomainn - 'Lake of the Elms'Richens, R. J. (1984) ''Elm'', Cambridge University Press.) is a freshwater Scottish loch which crosses the Highland Boundary Fault, often considered the boundary between the lowlands of C ...
at , and
Loch Ness Loch Ness (; gd, Loch Nis ) is a large freshwater loch in the Scottish Highlands extending for approximately southwest of Inverness. It takes its name from the River Ness, which flows from the northern end. Loch Ness is best known for clai ...
(by volume) whilst
Loch Morar Loch Morar (Scottish Gaelic: Loch Mòrair) is a freshwater loch in Lochaber, Highland, Scotland. It is the fifth-largest loch by surface area in Scotland, at , and the deepest freshwater body in the British Isles with a maximum depth of . The l ...
is the deepest freshwater body in the British Isles, with a maximum depth of .Gazetteer for Scotland
Morar, Loch.
There are a number of major rivers within the British Isles. The longest is the Shannon in Ireland at . The
river Severn , name_etymology = , image = SevernFromCastleCB.JPG , image_size = 288 , image_caption = The river seen from Shrewsbury Castle , map = RiverSevernMap.jpg , map_size = 288 , map_ ...
at is the longest in Great Britain.


Climate

The climate of the British Isles is mild, moist and changeable with abundant rainfall and a lack of temperature extremes. It is defined as a temperate oceanic climate, or ''Cfb'' on the
Köppen climate classification The Köppen climate classification is one of the most widely used climate classification systems. It was first published by German-Russian climatologist Wladimir Köppen (1846–1940) in 1884, with several later modifications by Köppen, nota ...
system, a classification it shares with most of north-west Europe. The North Atlantic Drift ("Gulf Stream"), which flows from the Gulf of Mexico, brings with it significant moisture and raises temperatures above the global average for the islands' latitudes. Most Atlantic depressions pass to the north of the islands; combined with the general westerly circulation and interactions with the landmass, this imposes a general east–west variation in climate. There are four distinct climate patterns: south-east, with cold winters, warm and dry summers; south-west, having mild and very wet winters, warm and wet summers; north-west, generally wet with mild winters and cool summers; and north-east with cold winters, cool summers.


Flora and fauna

The islands enjoy a mild climate and varied soils, giving rise to a diverse pattern of vegetation. Animal and plant life is similar to that of the north-western
European mainland Continental Europe or mainland Europe is the contiguous continent of Europe, excluding its surrounding islands. It can also be referred to ambiguously as the European continent, – which can conversely mean the whole of Europe – and, ...
. There are however, fewer numbers of species, with Ireland having even less. All native
flora Flora (: floras or florae) is all the plant life present in a particular region or time, generally the naturally occurring (indigenous (ecology), indigenous) native plant, native plants. The corresponding term for animals is ''fauna'', and for f ...
and
fauna Fauna is all of the animal life present in a particular region or time. The corresponding term for plants is ''flora'', and for fungi, it is '' funga''. Flora, fauna, funga and other forms of life are collectively referred to as ''biota''. Zoo ...
in Ireland is made up of species that migrated primarily from Great Britain. The only window when this could have occurred was prior to the melting of the
ice bridge An ice bridge is a frozen natural structure formed over seas, bays, rivers or lake surfaces. They facilitate migration of animals or people over a water body that was previously uncrossable by terrestrial animals, including humans. The most signi ...
between the two islands 14,000 years ago approaching the end of the last ice age. As with most of Europe, prehistoric Britain and Ireland were covered with forest and swamp. Clearing began around 6000 BC and accelerated in medieval times. Despite this, Britain retained its primeval forests longer than most of Europe due to a small population and later development of trade and industry, and wood shortages were not a problem until the 17th century. By the 18th century, most of Britain's forests were consumed for shipbuilding or manufacturing charcoal and the nation was forced to import lumber from Scandinavia, North America, and the Baltic. Most forest land in Ireland is maintained by state forestation programmes. Almost all land outside urban areas is farmland. However, relatively large areas of forest remain in east and north Scotland and in southeast England. Oak, elm, ash and beech are amongst the most common trees in England. In Scotland, pine and birch are most common. Natural forests in Ireland are mainly oak, ash,
wych elm ''Ulmus glabra'' Hudson, the wych elm or Scots elm, has the widest range of the European elm species, from Ireland eastwards to the Urals, and from the Arctic Circle south to the mountains of the Peloponnese and Sicily, where the species reaches ...
, birch and pine. Beech and lime, though not native to Ireland, are also common there. Farmland hosts a variety of semi-natural vegetation of grasses and flowering plants. Woods,
hedgerows A hedge or hedgerow is a line of closely spaced shrubs and sometimes trees, planted and trained to form a barrier or to mark the boundary of an area, such as between neighbouring properties. Hedges that are used to separate a road from adjoini ...
, mountain slopes and marshes host heather, wild grasses,
gorse ''Ulex'' (commonly known as gorse, furze, or whin) is a genus of flowering plants in the family Fabaceae. The genus comprises about 20 species of thorny evergreen shrubs in the subfamily Faboideae of the pea family Fabaceae. The species are ...
and
bracken Bracken (''Pteridium'') is a genus of large, coarse ferns in the family (biology), family Dennstaedtiaceae. Ferns (Pteridophyta) are vascular plants that have alternating generations, large plants that produce spores and small plants that produ ...
. Many larger animals, such as wolves, bears and European elk are today extinct. However, some species such as red deer are protected. Other small mammals, such as
rabbits Rabbits, also known as bunnies or bunny rabbits, are small mammals in the family Leporidae (which also contains the hares) of the order Lagomorpha (which also contains the pikas). ''Oryctolagus cuniculus'' includes the European rabbit spe ...
,
foxes Foxes are small to medium-sized, omnivorous mammals belonging to several genera of the family Canidae. They have a flattened skull, upright, triangular ears, a pointed, slightly upturned snout, and a long bushy tail (or ''brush''). Twelv ...
,
badger Badgers are short-legged omnivores in the family Mustelidae (which also includes the otters, wolverines, martens, minks, polecats, weasels, and ferrets). Badgers are a polyphyletic rather than a natural taxonomic grouping, being united ...
s,
hare Hares and jackrabbits are mammals belonging to the genus ''Lepus''. They are herbivores, and live solitarily or in pairs. They nest in slight depressions called forms, and their young are able to fend for themselves shortly after birth. The g ...
s,
hedgehog A hedgehog is a spiny mammal of the subfamily Erinaceinae, in the eulipotyphlan family Erinaceidae. There are seventeen species of hedgehog in five genera found throughout parts of Europe, Asia, and Africa, and in New Zealand by introduct ...
s, and
stoat The stoat (''Mustela erminea''), also known as the Eurasian ermine, Beringian ermine and ermine, is a mustelid native to Eurasia and the northern portions of North America. Because of its wide circumpolar distribution, it is listed as Least C ...
s, are very common and the
European beaver The Eurasian beaver (''Castor fiber'') or European beaver is a beaver species that was once widespread in Eurasia, but was hunted to near-extinction for both its fur and castoreum. At the turn of the 20th century, only about 1,200 beavers survi ...
has been reintroduced in parts of Scotland.
Wild boar The wild boar (''Sus scrofa''), also known as the wild swine, common wild pig, Eurasian wild pig, or simply wild pig, is a suid native to much of Eurasia and North Africa, and has been introduced to the Americas and Oceania. The species is ...
have also been reintroduced to parts of southern England, following escapes from boar farms and illegal releases. Many rivers contain otters and
grey Grey (more common in British English) or gray (more common in American English) is an intermediate color between black and white. It is a neutral or achromatic color, meaning literally that it is "without color", because it can be compos ...
and
common seal The harbor (or harbour) seal (''Phoca vitulina''), also known as the common seal, is a true seal found along temperate and Arctic marine coastlines of the Northern Hemisphere. The most widely distributed species of pinniped (walruses, eared sea ...
s are numerous on coasts. There are about 250 bird species regularly recorded in Great Britain, and another 350 that occur with varying degrees of rarity. The most numerous species are
wren Wrens are a family of brown passerine birds in the predominantly New World family Troglodytidae. The family includes 88 species divided into 19 genera. Only the Eurasian wren occurs in the Old World, where, in Anglophone regions, it is commonl ...
, robin,
house sparrow The house sparrow (''Passer domesticus'') is a bird of the sparrow family Passeridae, found in most parts of the world. It is a small bird that has a typical length of and a mass of . Females and young birds are coloured pale brown and grey, an ...
, woodpigeon, chaffinch and blackbird. Farmland birds are declining in number, except for those kept for game such as
pheasant Pheasants ( ) are birds of several genera within the family Phasianidae in the order Galliformes. Although they can be found all over the world in introduced (and captive) populations, the pheasant genera native range is restricted to Eurasia ...
,
red-legged partridge The red-legged partridge (''Alectoris rufa'') is a gamebird in the pheasant family Phasianidae of the order Galliformes, gallinaceous birds. It is sometimes known as French partridge, to distinguish it from the English or grey partridge. The ...
, and
red grouse The red grouse (''Lagopus lagopus scotica'') is a medium-sized bird of the grouse family which is found in heather moorland in Great Britain and Ireland. It is usually classified as a subspecies of the willow ptarmigan but is sometimes consid ...
. Fish are abundant in the rivers and lakes, in particular salmon, trout, perch and pike. Sea fish include dogfish, cod, sole, pollock and bass, as well as mussels, crab and oysters along the coast. There are more than 21,000 species of insects. Few species of reptiles or amphibians are found in Great Britain or Ireland. Only three snakes are native to Great Britain: the
adder Adder may refer to: * AA-12 Adder, a Russian air-to-air missile * Adder (electronics), an electronic circuit designed to do addition * Adder Technology, a manufacturing company * Armstrong Siddeley Adder, a late 1940s British turbojet engine * ''B ...
, the barred grass snake and the smooth snake; none are native to Ireland. In general, Great Britain has slightly more variation and native wildlife, with weasels,
polecat Polecat is a common name for several mustelid species in the order Carnivora and subfamilies Ictonychinae and Mustelinae. Polecats do not form a single taxonomic rank (i.e. clade). The name is applied to several species with broad similari ...
s, wildcats, most shrews, moles,
water voles The European water vole or northern water vole (''Arvicola amphibius''), is a semi-aquatic rodent. It is often informally called the water rat, though it only superficially resembles a true rat. Water voles have rounder noses than rats, deep brow ...
,
roe deer The roe deer (''Capreolus capreolus''), also known as the roe, western roe deer, or European roe, is a species of deer. The male of the species is sometimes referred to as a roebuck. The roe is a small deer, reddish and grey-brown, and well-adapt ...
and common toads also being absent from Ireland. This pattern is also true for birds and insects. Notable exceptions include the Kerry slug and certain species of woodlouse native to Ireland but not Great Britain. Domestic animals include the Connemara pony, Shetland pony, English Mastiff, Irish wolfhound and many varieties of cattle and sheep.


Demographics

England has a generally high population density, with almost 80% of the total population of the islands. Elsewhere in Great Britain and Ireland, high density of population is limited to areas around a few large cities. The largest urban area by far is the
Greater London Built-up Area The Greater London Built-up Area, or Greater London Urban Area, is a conurbation in south-east England that constitutes the continuous urban sprawl of London, and includes surrounding adjacent urban towns as defined by the Office for National St ...
with 9 million inhabitants. Other major population centres include the Greater Manchester Built-up Area (2.4 million),
West Midlands conurbation The West Midlands conurbation is the large conurbation that includes the cities of Birmingham and Wolverhampton and the towns of Sutton Coldfield, Dudley, Walsall, West Bromwich, Solihull, Stourbridge and Halesowen in the English West ...
(2.4 million) and West Yorkshire Urban Area (1.6 million) in England,
Greater Glasgow Greater Glasgow is an urban settlement in Scotland consisting of all localities which are physically attached to the city of Glasgow, forming with it a single contiguous urban area (or conurbation). It does not relate to municipal government ...
(1.2 million) in Scotland and
Greater Dublin Area The Greater Dublin Area (GDA; Irish: ''Mórcheantar Bhaile Átha Cliath''), or simply Greater Dublin, is an informal term that is taken to include the city of Dublin and its hinterland, with varying definitions as to its extent. As of 2022, its ...
(1.9 million) in Ireland. The population of England rose rapidly during the 19th and 20th centuries, whereas the populations of Scotland and Wales showed little increase during the 20th century; the population of Scotland has remained unchanged since 1951. Ireland for most of its history had much the same population density as Great Britain (about one-third of the total population). However, since the
Great Irish Famine The Great Famine ( ga, an Gorta Mór ), also known within Ireland as the Great Hunger or simply the Famine and outside Ireland as the Irish Potato Famine, was a period of starvation and disease in Ireland from 1845 to 1852 that constituted a h ...
, the population of Ireland has fallen to less than one-tenth of the population of the British Isles. The famine caused a century-long population decline, drastically reduced the Irish population and permanently altered the demographic make-up of the British Isles. On a global scale, this disaster led to the creation of an
Irish diaspora The Irish diaspora ( ga, Diaspóra na nGael) refers to ethnic Irish people and their descendants who live outside the island of Ireland. The phenomenon of migration from Ireland is recorded since the Early Middle Ages,Flechner and Meeder, The ...
that numbers fifteen times the current population of the island. The linguistic heritage of the British Isles is rich, with twelve languages from six groups across four branches of the
Indo-European The Indo-European languages are a language family native to the overwhelming majority of Europe, the Iranian plateau, and the northern Indian subcontinent. Some European languages of this family, English, French, Portuguese, Russian, ...
family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
. The
Insular Celtic languages Insular Celtic languages are the group of Celtic languages of Brittany, Great Britain, Ireland, and the Isle of Man. All surviving Celtic languages are in the Insular group, including Breton, which is spoken on continental Europe in Brittany, ...
of the
Goidelic The Goidelic or Gaelic languages ( ga, teangacha Gaelacha; gd, cànanan Goidhealach; gv, çhengaghyn Gaelgagh) form one of the two groups of Insular Celtic languages, the other being the Brittonic languages. Goidelic languages historically ...
sub-group ( Irish,
Manx Manx (; formerly sometimes spelled Manks) is an adjective (and derived noun) describing things or people related to the Isle of Man: * Manx people **Manx surnames * Isle of Man It may also refer to: Languages * Manx language, also known as Manx ...
and
Scottish Gaelic Scottish Gaelic ( gd, Gàidhlig ), also known as Scots Gaelic and Gaelic, is a Goidelic language (in the Celtic branch of the Indo-European language family) native to the Gaels of Scotland. As a Goidelic language, Scottish Gaelic, as well a ...
) and the Brittonic sub-group ( Cornish, Welsh and Breton, spoken in north-western France) are the only remaining
Celtic languages The Celtic languages (usually , but sometimes ) are a group of related languages descended from Proto-Celtic. They form a branch of the Indo-European language family. The term "Celtic" was first used to describe this language group by Edwar ...
—the last of their continental relations were extinct before the 7th century. The
Norman language Norman or Norman French (, french: Normand, Guernésiais: , Jèrriais: ) is a Romance language which can be classified as one of the Oïl languages along with French, Picard and Walloon. The name "Norman French" is sometimes used to describe ...
s of
Guernésiais Guernésiais, also known as ''Dgèrnésiais'', Guernsey French, and Guernsey Norman French, is the variety of the Norman language spoken in Guernsey. It is sometimes known on the island simply as " patois". As one of the langues d'oïl, it ha ...
,
Jèrriais (french: Jersiais, also known as the Jersey Language, Jersey French and Jersey Norman French in English) is a Romance language and the traditional language of the Jersey people. It is a form of the Norman language spoken in Jersey, an island ...
and
Sercquiais , also known as , Sarkese or Sark-French, is the Norman dialect of the Channel Island of Sark ( Bailiwick of Guernsey). Sercquiais is a descendant of the 16th century Jèrriais used by the original colonists, 40 families mostly from Saint O ...
spoken in the Channel Islands are similar to French, a language also spoken there. A cant, called
Shelta Shelta (; Irish: ''Seiltis'') is a language spoken by Rilantu Mincéirí ( Irish Travellers), particularly in Ireland and the United Kingdom.McArthur, T. (ed.) ''The Oxford Companion to the English Language'' (1992) Oxford University Press It ...
, is spoken by
Irish Travellers Irish Travellers ( ga, an lucht siúil, meaning "the walking people"), also known as Pavees or Mincéirs (Shelta: Mincéirí), are a traditionally peripatetic indigenous ethno-cultural group in Ireland.''Questioning Gypsy identity: ethnic na ...
, often to conceal meaning from those outside the group. However, English, including
Scots Scots usually refers to something of, from, or related to Scotland, including: * Scots language, a language of the West Germanic language family native to Scotland * Scots people, a nation and ethnic group native to Scotland * Scoti, a Latin na ...
, is the dominant language, with few monoglots remaining in the other languages of the region. The
Norn language Norn is an extinct North Germanic language that was spoken in the Northern Isles ( Orkney and Shetland) off the north coast of mainland Scotland and in Caithness in the far north of the Scottish mainland. After Orkney and Shetland were pledged ...
of
Orkney Orkney (; sco, Orkney; on, Orkneyjar; nrn, Orknøjar), also known as the Orkney Islands, is an archipelago in the Northern Isles of Scotland, situated off the north coast of the island of Great Britain. Orkney is 10 miles (16 km) nort ...
and
Shetland Shetland, also called the Shetland Islands and formerly Zetland, is a subarctic archipelago in Scotland lying between Orkney, the Faroe Islands and Norway. It is the northernmost region of the United Kingdom. The islands lie about to the ...
became extinct around 1880.


Urban areas


History

2.5 million years ago the British Isles were repeatedly submerged beneath an ice sheet which extended into the middle of the North Sea, with a larger ice sheet that covered a significant proportion of Scandinavia on the opposite side. Around 1.9 million years ago these two ice sheets frequently merged, essentially creating a land bridge between Scandinavia and northern Great Britain. Further south, there was a direct land bridge, now known as
Doggerland Doggerland was an area of land, now submerged beneath the North Sea, that connected Britain to continental Europe. It was flooded by rising sea levels around 6500–6200 BCE. The flooded land is known as the Dogger Littoral. Geological su ...
, which was gradually submerged as sea levels rose. However, the Irish Sea was formed before Doggerland was completely covered in water, with Ireland becoming an island roughly 6,000 years before Great Britain did. The first evidence of human activity on the islands dates from 840,000 or 950,000 years ago, based in flint tools found near Happisburgh on the
Norfolk Norfolk () is a ceremonial and non-metropolitan county in East Anglia in England. It borders Lincolnshire to the north-west, Cambridgeshire to the west and south-west, and Suffolk to the south. Its northern and eastern boundaries are the Nort ...
coast of Great Britain. In contrast, the earliest evidence of human activity on the island of Ireland dates from 12,500 years ago. At the time of the Roman Empire, about two thousand years ago, various tribes, which spoke Celtic dialects of the
Insular Celtic Insular Celtic languages are the group of Celtic languages of Brittany, Great Britain, Ireland, and the Isle of Man. All surviving Celtic languages are in the Insular group, including Breton, which is spoken on continental Europe in Brittany, ...
group, were inhabiting the islands. The Romans expanded their civilisation to control southern Great Britain but were impeded in advancing any further, building Hadrian's Wall to mark the northern frontier of their empire in 122 AD. At that time, Ireland was populated by a people known as Hiberni, the northern third or so of Great Britain by a people known as Picts and the southern two thirds by Britons. Anglo-Saxons arrived as Roman power waned in the 5th century AD. Initially, their arrival seems to have been at the invitation of the Britons as mercenaries to repulse incursions by the Hiberni and Picts. In time, Anglo-Saxon demands on the British became so great that they came to culturally dominate the bulk of southern Great Britain, though recent genetic evidence suggests Britons still formed the bulk of the population. This dominance created what is now England and left culturally British enclaves only in the north of what is now England, in
Cornwall Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlan ...
and what is now known as Wales. Ireland had been unaffected by the Romans except, significantly, for being Christianised—traditionally by the Romano-Briton, Saint Patrick. As Europe, including Britain, descended into turmoil following the collapse of Roman civilisation, an era known as the Dark Ages, Ireland entered a
golden age The term Golden Age comes from Greek mythology, particularly the '' Works and Days'' of Hesiod, and is part of the description of temporal decline of the state of peoples through five Ages, Gold being the first and the one during which the Go ...
and responded with missions (first to Great Britain and then to the continent), the founding of monasteries and universities. These were later joined by Anglo-Saxon missions of a similar nature. Viking invasions began in the 9th century, followed by more permanent settlements, particularly along the east coast of Ireland, the west coast of modern-day Scotland and the Isle of Man. Though the Vikings were eventually neutralised in Ireland, their influence remained in the cities of
Dublin Dublin (; , or ) is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 ...
, Cork,
Limerick Limerick ( ; ga, Luimneach ) is a western city in Ireland situated within County Limerick. It is in the province of Munster and is located in the Mid-West which comprises part of the Southern Region. With a population of 94,192 at the 2016 ...
,
Waterford "Waterford remains the untaken city" , mapsize = 220px , pushpin_map = Ireland#Europe , pushpin_map_caption = Location within Ireland##Location within Europe , pushpin_relief = 1 , coordinates ...
and
Wexford Wexford () is the county town of County Wexford, Ireland. Wexford lies on the south side of Wexford Harbour, the estuary of the River Slaney near the southeastern corner of the island of Ireland. The town is linked to Dublin by the M11/N1 ...
. England, however, was slowly conquered around the turn of the first millennium AD, and eventually became a feudal possession of
Denmark ) , song = ( en, "King Christian stood by the lofty mast") , song_type = National and royal anthem , image_map = EU-Denmark.svg , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of Denmark , establishe ...
. The relations between the descendants of Vikings in England and counterparts in
Normandy Normandy (; french: link=no, Normandie ; nrf, Normaundie, Nouormandie ; from Old French , plural of ''Normant'', originally from the word for "northman" in several Scandinavian languages) is a geographical and cultural region in Northwestern ...
, in northern France, lay at the heart of a series of events that led to the Norman conquest of England in 1066. The remnants of the
Duchy of Normandy The Duchy of Normandy grew out of the 911 Treaty of Saint-Clair-sur-Epte between King Charles III of West Francia and the Viking leader Rollo. The duchy was named for its inhabitants, the Normans. From 1066 until 1204, as a result of the Nor ...
, which conquered England, remain associated to the English Crown as the Channel Islands to this day. A century later, the marriage of the future
Henry II of England Henry II (5 March 1133 – 6 July 1189), also known as Henry Curtmantle (french: link=no, Court-manteau), Henry FitzEmpress, or Henry Plantagenet, was King of England from 1154 until his death in 1189, and as such, was the first Angevin king ...
to
Eleanor of Aquitaine Eleanor ( – 1 April 1204; french: Aliénor d'Aquitaine, ) was Queen of France from 1137 to 1152 as the wife of King Louis VII, Queen of England from 1154 to 1189 as the wife of King Henry II, and Duchess of Aquitaine in her own right from ...
created the
Angevin Empire The Angevin Empire (; french: Empire Plantagenêt) describes the possessions of the House of Plantagenet during the 12th and 13th centuries, when they ruled over an area covering roughly half of France, all of England, and parts of Ireland and ...
, partially under the
French Crown France was ruled by monarchs from the establishment of the Kingdom of West Francia in 843 until the end of the Second French Empire in 1870, with several interruptions. Classical French historiography usually regards Clovis I () as the fi ...
. At the invitation of
Diarmait Mac Murchada Diarmait Mac Murchada ( Modern Irish: Diarmaid Mac Murchadha), anglicised as Dermot MacMurrough, Dermod MacMurrough, or Dermot MacMorrogh (c. 1110 – c. 1 May 1171), was a King of Leinster in Ireland. In 1167, he was deposed by the High Ki ...
, a provincial king, and under the authority of
Pope Adrian IV Pope Adrian IV ( la, Adrianus IV; born Nicholas Breakspear (or Brekespear); 1 September 1159, also Hadrian IV), was head of the Catholic Church and ruler of the Papal States from 4 December 1154 to his death in 1159. He is the only Englishman t ...
(the only Englishman to be elected pope), the Angevins invaded Ireland in 1169. Though initially intended to be kept as an independent kingdom, the failure of the Irish High King to ensure the terms of the Treaty of Windsor led Henry II, as King of England, to rule as effective monarch under the title of
Lord of Ireland The Lordship of Ireland ( ga, Tiarnas na hÉireann), sometimes referred to retroactively as Norman Ireland, was the part of Ireland ruled by the King of England (styled as "Lord of Ireland") and controlled by loyal Anglo-Norman lords between ...
. This title was granted to his younger son, but when Henry's heir unexpectedly died, the title of
King of England The monarchy of the United Kingdom, commonly referred to as the British monarchy, is the constitutional form of government by which a hereditary sovereign reigns as the head of state of the United Kingdom, the Crown Dependencies (the Baili ...
and Lord of Ireland became entwined in one person. By the
Late Middle Ages The Late Middle Ages or Late Medieval Period was the period of European history lasting from AD 1300 to 1500. The Late Middle Ages followed the High Middle Ages and preceded the onset of the early modern period (and in much of Europe, the Ren ...
, Great Britain was separated into the Kingdoms of
England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...
and
Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to th ...
. Power in Ireland fluxed between Gaelic kingdoms, Hiberno-Norman lords and the English-dominated
Lordship of Ireland The Lordship of Ireland ( ga, Tiarnas na hÉireann), sometimes referred to retroactively as Norman Ireland, was the part of Ireland ruled by the King of England (styled as "Lord of Ireland") and controlled by loyal Anglo-Norman lords between ...
. A similar situation existed in the
Principality of Wales The Principality of Wales ( cy, Tywysogaeth Cymru) was originally the territory of the native Welsh princes of the House of Aberffraw from 1216 to 1283, encompassing two-thirds of modern Wales during its height of 1267–1277. Following the co ...
, which was slowly being annexed into the Kingdom of England by a series of laws. During the course of the 15th century, the Crown of England would assert a claim to the Crown of France, thereby also releasing the King of England from being
vassal A vassal or liege subject is a person regarded as having a mutual obligation to a lord or monarch, in the context of the feudal system in medieval Europe. While the subordinate party is called a vassal, the dominant party is called a suzerain. ...
of the
King of France France was ruled by Monarch, monarchs from the establishment of the West Francia, Kingdom of West Francia in 843 until the end of the Second French Empire in 1870, with several interruptions. Classical French historiography usually regards Cl ...
. In 1534, King Henry VIII, at first having been a strong defender of Roman Catholicism in the face of the Reformation, separated from the Roman Church after failing to secure a divorce from the Pope. His response was to place the King of England as "the only Supreme Head in Earth of the
Church of England The Church of England (C of E) is the established Christian church in England and the mother church of the international Anglican Communion. It traces its history to the Christian church recorded as existing in the Roman province of Britai ...
", thereby removing the authority of the Pope from the affairs of the English Church. Ireland, which had been held by the King of England as Lord of Ireland, but which strictly speaking had been a feudal possession of the Pope since the Norman invasion was declared a separate kingdom in personal union with England. Scotland meanwhile had remained an independent Kingdom. In 1603, that changed when the King of Scotland inherited the Crown of England, and consequently the Crown of Ireland also. The subsequent 17th century was one of political upheaval, religious division and war. English colonialism in Ireland of the 16th century was extended by large-scale Scottish and English colonies in
Ulster Ulster (; ga, Ulaidh or ''Cúige Uladh'' ; sco, label=Ulster Scots, Ulstèr or ''Ulster'') is one of the four traditional Irish provinces. It is made up of nine counties: six of these constitute Northern Ireland (a part of the United Kin ...
. Religious division heightened, and the king of England came into conflict with parliament over his tolerance towards Catholicism. The resulting
English Civil War The English Civil War (1642–1651) was a series of civil wars and political machinations between Parliamentarians ("Roundheads") and Royalists led by Charles I ("Cavaliers"), mainly over the manner of Kingdom of England, England's governanc ...
or
War of the Three Kingdoms The Wars of the Three Kingdoms were a series of related conflicts fought between 1639 and 1653 in the kingdoms of England, Scotland and Ireland, then separate entities united in a personal union under Charles I. They include the 1639 to 1640 Bis ...
led to a
revolutionary republic A revolutionary republic is a form of government whose main tenets are popular sovereignty, rule of law, and representative democracy. It is based in part on the ideas of Whig and Enlightenment thinkers, and was favored by revolutionaries dur ...
in England. Ireland, largely Catholic, was mainly loyal to the king, but by military conquest was subsumed into the new republic. Following defeat to the parliament's army, large scale land distributions from loyalist Irish nobility to English commoners in the service of the parliamentary army created a new Ascendancy class which obliterated the remnants of Old English (Hiberno-Norman) and Gaelic Irish nobility in Ireland. The new ruling class was Protestant and English, whilst the populace was largely Catholic and Irish. This theme would influence Irish politics for centuries to come. When the monarchy was restored in England, the king found it politically impossible to restore the lands of former landowners in Ireland. The " Glorious Revolution" of 1688 repeated similar themes: a Catholic king pushing for religious tolerance in opposition to a Protestant parliament in England. The king's army was defeated at the
Battle of the Boyne The Battle of the Boyne ( ga, Cath na Bóinne ) was a battle in 1690 between the forces of the deposed King James II of England and Ireland, VII of Scotland, and those of King William III who, with his wife Queen Mary II (his cousin and J ...
and at the militarily crucial
Battle of Aughrim The Battle of Aughrim ( ga, Cath Eachroma) was the decisive battle of the Williamite War in Ireland. It was fought between the largely Irish Jacobite army loyal to James II and the forces of William III on 12 July 1691 (old style, equivalent ...
in Ireland. Resistance held out, eventually forcing the guarantee of religious tolerance in the
Treaty of Limerick }), signed on 3 October 1691, ended the 1689 to 1691 Williamite War in Ireland, a conflict related to the 1688 to 1697 Nine Years' War. It consisted of two separate agreements, one with military terms of surrender, signed by commanders of a Frenc ...
. However, the terms were never honoured and a new monarchy was installed. The Kingdoms of England and Scotland were unified in 1707 creating the
Kingdom of Great Britain The Kingdom of Great Britain (officially Great Britain) was a sovereign country in Western Europe from 1 May 1707 to the end of 31 December 1800. The state was created by the 1706 Treaty of Union and ratified by the Acts of Union 1707, w ...
. Following an attempted republican revolution in Ireland in 1798, the Kingdoms of Ireland and Great Britain were unified in 1801, creating the
United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...
. The Isle of Man and the Channel Islands remaining outside of the United Kingdom, but with their ultimate good governance being the responsibility of the British Crown (effectively the British government). Although the colonies of North America that would become the United States of America were lost by the start of the 19th century, the
British Empire The British Empire was composed of the dominions, colonies, protectorates, mandates, and other territories ruled or administered by the United Kingdom and its predecessor states. It began with the overseas possessions and trading post ...
expanded rapidly elsewhere. A century later, it would cover one-third of the globe. Poverty in the United Kingdom remained desperate, however, and industrialisation in England led to terrible conditions for the working classes. Mass migrations following the
Irish Famine The Great Famine ( ga, an Gorta Mór ), also known within Ireland as the Great Hunger or simply the Famine and outside Ireland as the Irish Potato Famine, was a period of starvation and disease in Ireland from 1845 to 1852 that constituted a ...
and
Highland Clearances The Highland Clearances ( gd, Fuadaichean nan Gàidheal , the "eviction of the Gaels") were the evictions of a significant number of tenants in the Scottish Highlands and Islands, mostly in two phases from 1750 to 1860. The first phase resul ...
resulted in the distribution of the islands' population and culture throughout the world and a rapid de-population of Ireland in the second half of the 19th century. Most of Ireland seceded from the United Kingdom after the
Irish War of Independence The Irish War of Independence () or Anglo-Irish War was a guerrilla war fought in Ireland from 1919 to 1921 between the Irish Republican Army (1919–1922), Irish Republican Army (IRA, the army of the Irish Republic) and United Kingdom of Gre ...
and the subsequent
Anglo-Irish Treaty The 1921 Anglo-Irish Treaty ( ga , An Conradh Angla-Éireannach), commonly known in Ireland as The Treaty and officially the Articles of Agreement for a Treaty Between Great Britain and Ireland, was an agreement between the government of the ...
(1919–1922), with the six counties that formed Northern Ireland remaining as an autonomous region of the UK.


Politics

There are two sovereign states in the British Isles:
Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...
and the
United Kingdom of Great Britain and Northern Ireland The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Europe, off the north-western coast of the European mainland, continental mainland. It comprises England, Scotlan ...
. Ireland, sometimes called the Republic of Ireland, governs five-sixths of the island of Ireland, with the remainder of the island forming Northern Ireland. Northern Ireland is a part of the United Kingdom of Great Britain and Northern Ireland, usually shortened to simply "the United Kingdom", which governs the remainder of the archipelago with the exception of the Isle of Man and the Channel Islands. The Isle of Man and the two Bailiwicks of the Channel Islands,
Jersey Jersey ( , ; nrf, Jèrri, label=Jèrriais ), officially the Bailiwick of Jersey (french: Bailliage de Jersey, links=no; Jèrriais: ), is an island country and self-governing Crown Dependencies, Crown Dependency near the coast of north-west F ...
and Guernsey, are known as the Crown Dependencies. They exercise constitutional rights of self-government and judicial independence; responsibility for international representation rests largely with the UK (in consultation with the respective governments); and responsibility for defence is reserved by the UK. The United Kingdom is made up of four constituent parts: England, Scotland and Wales, forming Great Britain, and Northern Ireland in the northeast of the island of Ireland. Of these, Scotland, Wales and Northern Ireland have
devolved Devolution is the statutory delegation of powers from the central government of a sovereign state to govern at a subnational level, such as a regional or local level. It is a form of administrative decentralization. Devolved territories h ...
governments, meaning that each has its own parliament or assembly and is self-governing with respect to certain matters set down by law. For judicial purposes, Scotland, Northern Ireland and
England and Wales England and Wales () is one of the three legal jurisdictions of the United Kingdom. It covers the constituent countries England and Wales and was formed by the Laws in Wales Acts 1535 and 1542. The substantive law of the jurisdiction is ...
(the latter being one entity) form separate legal jurisdictions, with there being no single law for the UK as a whole. Ireland, the United Kingdom and the three Crown dependencies are all
parliamentary democracies A parliamentary system, or parliamentarian democracy, is a system of democratic governance of a state (or subordinate entity) where the executive derives its democratic legitimacy from its ability to command the support ("confidence") of the ...
, with their own separate parliaments. All parts of the United Kingdom return
Members of Parliament A member of parliament (MP) is the representative in parliament of the people who live in their electoral district. In many countries with bicameral parliaments, this term refers only to members of the lower house since upper house members oft ...
(MPs) to parliament in London. In addition to this, voters in Scotland, Wales and Northern Ireland return members to a devolved parliament in Edinburgh and in Cardiff and an assembly in Belfast. Governance in the norm is by majority rule; however, Northern Ireland uses a system of
power sharing Power sharing is a practice in conflict resolution where multiple groups distribute political, military, or economic power among themselves according to agreed rules. It can refer to any formal framework or informal pact that regulates the distri ...
whereby unionists and nationalists share executive posts proportionately and where the assent of both groups is required for the
Northern Ireland Assembly sco-ulster, Norlin Airlan Assemblie , legislature = Seventh Assembly , coa_pic = File:NI_Assembly.svg , coa_res = 250px , house_type = Unicameral , house1 = , leader1_type = ...
to make certain decisions. (In the context of Northern Ireland, unionists are those who want Northern Ireland to remain a part of the United Kingdom and nationalists are those who want Northern Ireland to join with the rest of Ireland.) The
British monarch The monarchy of the United Kingdom, commonly referred to as the British monarchy, is the constitutional monarchy, constitutional form of government by which a hereditary monarchy, hereditary sovereign reigns as the head of state of the United ...
is the head of state of the United Kingdom, while in the Republic of Ireland the head of state is the
President of Ireland The president of Ireland ( ga, Uachtarán na hÉireann) is the head of state of Ireland and the supreme commander of the Irish Defence Forces. The president holds office for seven years, and can be elected for a maximum of two terms.Constitu ...
. Ireland is the only part of the isles that is a member state of the
European Union The European Union (EU) is a supranational political and economic union of member states that are located primarily in Europe. The union has a total area of and an estimated total population of about 447million. The EU has often been ...
(EU). The UK was a member between 1 January 1973 and 31 January 2020, but the Isle of Man and the Channel Islands were not. Since the
partition of Ireland The partition of Ireland ( ga, críochdheighilt na hÉireann) was the process by which the Government of the United Kingdom of Great Britain and Ireland divided History of Ireland (1801–1923), Ireland into two self-governing polities: Northe ...
, an informal free-travel area has existed across the island of Ireland. This area required formal recognition in 1997 during the course of negotiations for the
Amsterdam Treaty The Treaty of Amsterdam, officially the Treaty of Amsterdam amending the Treaty on European Union, the Treaties establishing the European Communities and certain related acts, was signed on 2 October 1997, and entered into force on 1 May 1999; i ...
of the European Union, and (together with the Crown dependencies) is now known as the Common Travel Area. As such, Ireland is not part of the
Schengen Area The Schengen Area ( , ) is an area comprising 27 European countries that have officially abolished all passport and all other types of border control at their mutual borders. Being an element within the wider area of freedom, security and ...
, which allows passport-free travel between most EU member states, and is the only member state with an opt-out from the obligation to join the Schengen Zone. Reciprocal arrangements allow British and Irish citizens specific voting rights in the two states. In Ireland, British citizens can vote in General and local elections, but not in European Parliament elections, constitutional referendums or presidential elections (for which there is no comparable franchise in the United Kingdom). In the United Kingdom, Irish and
Commonwealth A commonwealth is a traditional English term for a political community founded for the common good. Historically, it has been synonymous with " republic". The noun "commonwealth", meaning "public welfare, general good or advantage", dates from th ...
citizens can vote in every election for which British citizens are eligible. In the Crown dependencies, any resident can vote in general elections, but in Jersey and the Isle of Man only British citizens can run for office. These pre-date European Union law, and in both jurisdictions go further than what was required by European Union law (EU citizens may only vote in local elections in both states and European elections in Ireland). In 2008, a UK Ministry of Justice report investigating how to strengthen the British sense of citizenship proposed to end this arrangement, arguing that "the right to vote is one of the hallmarks of the political status of citizens; it is not a means of expressing closeness between countries". In addition, some civil bodies are organised throughout the islands as a whole—for example, the
Samaritans Samaritans (; ; he, שומרונים, translit=Šōmrōnīm, lit=; ar, السامريون, translit=as-Sāmiriyyūn) are an ethnoreligious group who originate from the ancient Israelites. They are native to the Levant and adhere to Samarit ...
, which is deliberately organised without regard to national boundaries on the basis that a service which is not political or religious should not recognise sectarian or political divisions. The
Royal National Lifeboat Institution The Royal National Lifeboat Institution (RNLI) is the largest charity that saves lives at sea around the coasts of the United Kingdom, the Republic of Ireland, the Channel Islands, and the Isle of Man, as well as on some inland waterways. It i ...
(RNLI), a charity that operates a lifeboat service, is also organised throughout the islands as a whole, covering the waters of the United Kingdom, Ireland, the Isle of Man, and the Channel Islands. The
Northern Ireland peace process The Northern Ireland peace process includes the events leading up to the 1994 Provisional Irish Republican Army (IRA) ceasefire, the end of most of the violence of the Troubles, the Good Friday Agreement of 1998, and subsequent political developm ...
has led to a number of unusual arrangements between the Republic of Ireland, Northern Ireland and the United Kingdom. For example, citizens of Northern Ireland are entitled to the choice of Irish or British citizenship or both, and the Governments of Ireland and the United Kingdom consult on matters not devolved to the
Northern Ireland Executive The Northern Ireland Executive is the devolved government of Northern Ireland, an administrative branch of the legislature – the Northern Ireland Assembly. It is answerable to the assembly and was initially established according to the t ...
. The Northern Ireland Executive and the Government of Ireland also meet as the North/South Ministerial Council to develop policies common across the island of Ireland. These arrangements were made following the 1998
Good Friday Agreement The Good Friday Agreement (GFA), or Belfast Agreement ( ga, Comhaontú Aoine an Chéasta or ; Ulster-Scots: or ), is a pair of agreements signed on 10 April 1998 that ended most of the violence of The Troubles, a political conflict in Nor ...
.


British–Irish Council

Another body established under the Good Friday Agreement, the British–Irish Council, is made up of all of the states and territories of the British Isles. The British–Irish Parliamentary Assembly ( ga, Tionól Pharlaiminteach na Breataine agus na hÉireann) predates the British–Irish Council and was established in 1990. Originally it comprised 25 members of the
Oireachtas The Oireachtas (, ), sometimes referred to as Oireachtas Éireann, is the bicameral parliament of Ireland. The Oireachtas consists of: *The President of Ireland *The two houses of the Oireachtas ( ga, Tithe an Oireachtais): **Dáil Éireann ...
, the Irish parliament, and 25 members of the
parliament of the United Kingdom The Parliament of the United Kingdom is the Parliamentary sovereignty in the United Kingdom, supreme Legislature, legislative body of the United Kingdom, the Crown Dependencies and the British Overseas Territories. It meets at the Palace of We ...
, with the purpose of building mutual understanding between members of both legislatures. Since then the role and scope of the body has been expanded to include representatives from the
Scottish Parliament The Scottish Parliament ( gd, Pàrlamaid na h-Alba ; sco, Scots Pairlament) is the devolved, unicameral legislature of Scotland. Located in the Holyrood area of the capital city, Edinburgh, it is frequently referred to by the metonym Holy ...
, the
Senedd The Senedd (; ), officially known as the Welsh Parliament in English language, English and () in Welsh language, Welsh, is the Devolution in the United Kingdom, devolved, unicameral legislature of Wales. A democratically elected body, it makes ...
(Welsh Parliament), the
Northern Ireland Assembly sco-ulster, Norlin Airlan Assemblie , legislature = Seventh Assembly , coa_pic = File:NI_Assembly.svg , coa_res = 250px , house_type = Unicameral , house1 = , leader1_type = ...
, the
States of Jersey The States Assembly (french: Assemblée des États; Jèrriais: ) is the parliament of Jersey, formed of the island's 37 deputies and the Connétable of each of the twelve parishes. The origins of the legislature of Jersey lie in the system o ...
, the
States of Guernsey The States of Guernsey (french: États de Guernesey), sometimes referred to as the Government of Guernsey, is the parliament and government of the British Crown dependency of Guernsey. Some laws and ordinances approved by the States of Guer ...
and the High Court of Tynwald (Isle of Man). The Council does not have executive powers but meets biannually to discuss issues of mutual importance. Similarly, the Parliamentary Assembly has no legislative powers but investigates and collects witness evidence from the public on matters of mutual concern to its members. Reports on its findings are presented to the Governments of Ireland and the United Kingdom. During the February 2008 meeting of the British–Irish Council, it was agreed to set up a standing secretariat that would serve as a permanent 'civil service' for the Council. Leading on from developments in the British–Irish Council, the chair of the British–Irish Inter-Parliamentary Assembly, Niall Blaney, has suggested that the body should shadow the British–Irish Council's work.


Culture

The United Kingdom and Ireland have separate media, although British television, newspapers and magazines are widely available in Ireland, giving people in Ireland a high level of familiarity with the culture of the United Kingdom. Irish newspapers are also available in the UK, and Irish state and private television are widely available in Northern Ireland. Certain reality TV shows have embraced the whole of the islands, for example ''
The X Factor ''The X Factor'' is a television music competition franchise created by British producer Simon Cowell and his company Syco Entertainment. It originated in the United Kingdom, where it was devised as a replacement for ''Pop Idol'' (2001–2003 ...
'', seasons 3, 4 and 7 of which featured auditions in Dublin and were open to Irish voters, whilst the show previously known as ''Britain's Next Top Model'' became '' Britain and Ireland's Next Top Model'' in 2011. A few cultural events are organised for the island group as a whole. For example, the
Costa Book Awards The Costa Book Awards were a set of annual literary awards recognising English-language books by writers based in UK and Ireland. Originally named the Whitbread Book Awards from 1971 to 2005 after its first sponsor, the Whitbread company, then ...
are awarded to authors resident in the UK or Ireland. The
Mercury Music Prize The Mercury Prize, formerly called the Mercury Music Prize, is an annual music prize awarded for the best album released in the United Kingdom by a British or Irish act. It was created by Jon Webster and Robert Chandler in association with the B ...
is handed out every year to the best album from a British or Irish musician or group. Many globally popular sports had their modern rules codified in the British Isles, including golf,
association football Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 players who primarily use their feet to propel the ball around a rectangular field called a pitch. The objective of the game is t ...
,
cricket Cricket is a bat-and-ball game played between two teams of eleven players on a field at the centre of which is a pitch with a wicket at each end, each comprising two bails balanced on three stumps. The batting side scores runs by st ...
, rugby,
snooker Snooker (pronounced , ) is a cue sport played on a rectangular table covered with a green cloth called baize, with six pockets, one at each corner and one in the middle of each long side. First played by British Army officers stationed in Ind ...
and darts, as well as many minor sports such as
croquet Croquet ( or ; french: croquet) is a sport that involves hitting wooden or plastic balls with a mallet through hoops (often called "wickets" in the United States) embedded in a grass playing court. Its international governing body is the W ...
,
bowls Bowls, also known as lawn bowls or lawn bowling, is a sport in which the objective is to roll biased balls so that they stop close to a smaller ball called a "jack" or "kitty". It is played on a bowling green, which may be flat (for "flat-g ...
, pitch and putt,
water polo Water polo is a competitive team sport played in water between two teams of seven players each. The game consists of four quarters in which the teams attempt to score goals by throwing the ball into the opposing team's goal. The team with t ...
and handball. A number of sports are popular throughout the British Isles, the most prominent of which is association football. While this is organised separately in different national associations, leagues and national teams, even within the UK, it is a common passion in all parts of the islands.
Rugby union Rugby union, commonly known simply as rugby, is a Contact sport#Terminology, close-contact team sport that originated at Rugby School in the first half of the 19th century. One of the Comparison of rugby league and rugby union, two codes of ru ...
is also widely enjoyed across the islands with four national teams from
England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...
,
Ireland Ireland ( ; ga, Éire ; Ulster Scots dialect, Ulster-Scots: ) is an island in the Atlantic Ocean, North Atlantic Ocean, in Northwestern Europe, north-western Europe. It is separated from Great Britain to its east by the North Channel (Grea ...
,
Scotland Scotland (, ) is a country that is part of the United Kingdom. Covering the northern third of the island of Great Britain, mainland Scotland has a border with England to the southeast and is otherwise surrounded by the Atlantic Ocean to th ...
and
Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...
. The
British and Irish Lions The British & Irish Lions is a rugby union team selected from players eligible for the national teams of England national rugby union team, England, Ireland national rugby union team, Ireland, Scotland national rugby union team, Scotland, and ...
is a team chosen from each national team and undertakes tours of the Southern Hemisphere rugby-playing nations every four years. Ireland plays as a united team, represented by players from both Northern Ireland and the Republic. These national rugby teams play each other each year for the
Triple Crown Triple Crown may refer to: Sports Horse racing * Triple Crown of Thoroughbred Racing * Triple Crown of Thoroughbred Racing (United States) ** Triple Crown Trophy ** Triple Crown Productions * Canadian Triple Crown of Thoroughbred Racing * T ...
as part of the
Six Nations Championship The Six Nations Championship (known as the Guinness Six Nations for sponsorship reasons) is an annual international men's rugby union competition between the teams of England, France, Ireland, Italy, Scotland and Wales. The current champions ar ...
. Also, since 2001, the professional club teams of Ireland, Scotland, Wales, Italy and South Africa compete against each other in the
United Rugby Championship The United Rugby Championship (URC) is an annual rugby union competition involving professional teams from Ireland, Italy, Scotland, South Africa, and Wales. The current name was adopted in 2021 when the league expanded to include four South Afr ...
. The
Ryder Cup The Ryder Cup is a biennial men's golf competition between teams from Europe and the United States. The competition is contested every two years with the venue alternating between courses in the United States and Europe. The Ryder Cup is named af ...
in golf was originally played between a United States team and a team representing Great Britain and Ireland. From 1979 onwards, this was expanded to include the whole of Europe.


Transport

London Heathrow Airport Heathrow Airport (), called ''London Airport'' until 1966 and now known as London Heathrow , is a major international airport in London, England. It is the largest of the six international airports in the London airport system (the others bei ...
is Europe's busiest airport in terms of passenger traffic, and the Dublin-London route is the busiest air route in Europe collectively, the busiest route out of Heathrow and the second-busiest international air route in the world. The
English Channel The English Channel, "The Sleeve"; nrf, la Maunche, "The Sleeve" ( Cotentinais) or (Jèrriais), ( Guernésiais), "The Channel"; br, Mor Breizh, "Sea of Brittany"; cy, Môr Udd, "Lord's Sea"; kw, Mor Bretannek, "British Sea"; nl, Het Kan ...
and the southern
North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the Norwegian S ...
are the busiest seaways in the world. The
Channel Tunnel The Channel Tunnel (french: Tunnel sous la Manche), also known as the Chunnel, is a railway tunnel that connects Folkestone ( Kent, England, UK) with Coquelles (Hauts-de-France, France) beneath the English Channel at the Strait of Dove ...
, opened in 1994, links Great Britain to France and is the second-longest rail tunnel in the world. The idea of building a tunnel under the Irish Sea has been raised since 1895, when it was first investigated. Several potential Irish Sea tunnel projects have been proposed, most recently the ''Tusker Tunnel'' between the ports of Rosslare and
Fishguard Fishguard ( cy, Abergwaun, meaning "Mouth of the River Gwaun") is a coastal town in Pembrokeshire, Wales, with a population of 3,419 in 2011; the community of Fishguard and Goodwick had a population of 5,407. Modern Fishguard consists of two ...
proposed by The Institute of Engineers of Ireland in 2004. A rail tunnel was proposed in 1997 on a different route, between
Dublin Dublin (; , or ) is the capital and largest city of Ireland. On a bay at the mouth of the River Liffey, it is in the province of Leinster, bordered on the south by the Dublin Mountains, a part of the Wicklow Mountains range. At the 2016 ...
and Holyhead, by British engineering firm Symonds. Either tunnel, at , would be by far the longest in the world, and would cost an estimated £15 billion or €20 billion. A proposal in 2007, estimated the cost of building a bridge from
County Antrim County Antrim (named after the town of Antrim, ) is one of six counties of Northern Ireland and one of the thirty-two counties of Ireland. Adjoined to the north-east shore of Lough Neagh, the county covers an area of and has a population o ...
in Northern Ireland to
Galloway Galloway ( ; sco, Gallowa; la, Gallovidia) is a region in southwestern Scotland comprising the counties of Scotland, historic counties of Wigtownshire and Kirkcudbrightshire. It is administered as part of the council areas of Scotland, counci ...
in Scotland at £3.5bn (€5bn).


See also

*
British Islands The British Islands is a term within the law of the United Kingdom which refers collectively to the following four polities: * the United Kingdom of Great Britain and Northern Ireland (formerly the United Kingdom of Great Britain and Ireland) ...
* Proposed British Isles fixed sea link connections * Extreme points of the British Isles *
List of islands of the British Isles This article is a list of some of the islands that form the British Isles that have an area of one kilometre squared (247 acres) or larger, listing area and population data. The total area of the islands is 314,965 km2 (121,608 sq. mi.).


Notes


References


Further reading

* * * * * * * * * * A History of Britain: At the Edge of the World, 3500 B.C. – 1603 A.D. by
Simon Schama Sir Simon Michael Schama (; born 13 February 1945) is an English historian specialising in art history, Dutch history, Jewish history, and French history. He is a University Professor of History and Art History at Columbia University. He fi ...
, BBC/Miramax, 2000 * A History of Britain—The Complete Collection on DVD by
Simon Schama Sir Simon Michael Schama (; born 13 February 1945) is an English historian specialising in art history, Dutch history, Jewish history, and French history. He is a University Professor of History and Art History at Columbia University. He fi ...
, BBC 2002 * Shortened History of England by
G. M. Trevelyan George Macaulay Trevelyan (16 February 1876 – 21 July 1962) was a British historian and academic. He was a Fellow of Trinity College, Cambridge, from 1898 to 1903. He then spent more than twenty years as a full-time author. He returned to the ...
Penguin Books


External links

* A
interactive geological map
of the British Isles {{Authority control Geography of Europe Northwestern Europe Regions of Europe Archipelagoes of Europe