__NOTOC__ Year 331 BC was a year of the pre-Julian Roman calendar. At the time, it was known as the Year of the Consulship of Potitus and Marcellus (or, less frequently, year 423 ''

Ab urbe condita ''Ab urbe condita'' (; 'from the founding of Rome, founding of the City'), or (; 'in the year since the city's founding'), abbreviated as AUC or AVC, expresses a date in years since 753 BC, 753 BC, the traditional founding of Rome. It is ...

''). The denomination 331 BC for this year has been used since the early medieval period, when the

Anno Domini The terms (AD) and before Christ (BC) are used when designating years in the Gregorian calendar, Gregorian and Julian calendar, Julian calendars. The term is Medieval Latin and means "in the year of the Lord" but is often presented using "o ...

calendar era A calendar era is the period of time elapsed since one '' epoch'' of a calendar and, if it exists, before the next one. For example, the current year is numbered in the Gregorian calendar, which numbers its years in the Western Christian era ...

became the prevalent method in Europe for naming years.

Events

By place

Macedonia

Alexander the Great is portrayed at the Battle of Gaugamela

* Late January –

Alexander the Great Alexander III of Macedon (; 20/21 July 356 BC – 10/11 June 323 BC), most commonly known as Alexander the Great, was a king of the Ancient Greece, ancient Greek kingdom of Macedonia (ancient kingdom), Macedon. He succeeded his father Philip ...

travels with a small bodyguard (among them is the future Egyptian ruler

Ptolemy I Soter Ptolemy I Soter (; , ''Ptolemaîos Sōtḗr'', "Ptolemy the Savior"; 367 BC – January 282 BC) was a Macedonian Greek general, historian, and successor of Alexander the Great who went on to found the Ptolemaic Kingdom centered on Egypt. Pto ...

) along the coastal road of

Egypt Egypt ( , ), officially the Arab Republic of Egypt, is a country spanning the Northeast Africa, northeast corner of Africa and Western Asia, southwest corner of Asia via the Sinai Peninsula. It is bordered by the Mediterranean Sea to northe ...

and reaches the settlement of Paraetonium on the borders of

Cyrenaica Cyrenaica ( ) or Kyrenaika (, , after the city of Cyrene), is the eastern region of Libya. Cyrenaica includes all of the eastern part of Libya between the 16th and 25th meridians east, including the Kufra District. The coastal region, als ...

. There, he receives a delegation of emissaries from Cyrene, who grants him a number of gifts including fine horses and chariots. Alexander concludes a treaty of peace and alliance with them. He turns inland from the Mediterranean and travels through the

Libyan Desert The Libyan Desert (not to be confused with the Libyan Sahara) is a geographical region filling the northeastern Sahara Desert, from eastern Libya to the Western Desert (Egypt), Western Desert of Egypt and far northwestern Sudan. On medieval m ...

to the Siwah Oasis, which he reaches in late February. Alexander consults the famous oracle and is pronounced the son of

Zeus Zeus (, ) is the chief deity of the List of Greek deities, Greek pantheon. He is a sky father, sky and thunder god in ancient Greek religion and Greek mythology, mythology, who rules as king of the gods on Mount Olympus. Zeus is the child ...

Ammon Ammon (; Ammonite language, Ammonite: 𐤏𐤌𐤍 ''ʻAmān''; '; ) was an ancient Semitic languages, Semitic-speaking kingdom occupying the east of the Jordan River, between the torrent valleys of Wadi Mujib, Arnon and Jabbok, in present-d ...

as his true father. * Alexander departs from Egypt and leads his forces towards

Phoenicia Phoenicians were an Ancient Semitic-speaking peoples, ancient Semitic group of people who lived in the Phoenician city-states along a coastal strip in the Levant region of the eastern Mediterranean, primarily modern Lebanon and the Syria, Syrian ...

. He leaves

Cleomenes of Naucratis Cleomenes ( Greek: Kλεoμένης ''Kleoménes''; died 322 BC), a Greek of Naucratis in Ancient Egypt, was appointed by Alexander III of Macedon as nomarch of the Arabian Nome (''νoμoς'') of Egypt and receiver of the tributes from all th ...

as the ruling

nomarch A nomarch (, Great Chief) was a provincial governor in ancient Egypt; the country was divided into 42 provinces, called Nome (Egypt), nomes (singular , plural ). A nomarch was the government official responsible for a nome. Etymology The te ...

to control Egypt. *

October 1 Events Pre-1600 * 331 BC – Alexander the Great defeats Darius III of Persia in the Battle of Gaugamela. * 366 – Pope Damasus I is consecrated. * 959 – Edgar the Peaceful becomes king of all England, in succession to E ...

– Alexander is victorious in the

Battle of Gaugamela The Battle of Gaugamela ( ; ), also called the Battle of Arbela (), took place in 331 BC between the forces of the Ancient Macedonian army, Army of Macedon under Alexander the Great and the Achaemenid Army, Persian Army under Darius III, ...

(near ancient

Ninevah Nineveh ( ; , ''URUNI.NU.A, Ninua''; , ''Nīnəwē''; , ''Nīnawā''; , ''Nīnwē''), was an ancient Assyrian city of Upper Mesopotamia, located in the modern-day city of Mosul (itself built out of the Assyrian town of Mepsila) in northern ...

) over the

Persian Persian may refer to: * People and things from Iran, historically called ''Persia'' in the English language ** Persians, the majority ethnic group in Iran, not to be conflated with the Iranic peoples ** Persian language, an Iranian language of the ...

King

Darius III Darius III ( ; ; – 330 BC) was the thirteenth and last Achaemenid King of Kings of Persia, reigning from 336 BC to his death in 330 BC. Contrary to his predecessor Artaxerxes IV Arses, Darius was a distant member of the Achaemenid dynasty. ...

. Alexander pursues the defeated Persian forces to Arbela, Darius moves his

Bactria Bactria (; Bactrian language, Bactrian: , ), or Bactriana, was an ancient Iranian peoples, Iranian civilization in Central Asia based in the area south of the Oxus River (modern Amu Darya) and north of the mountains of the Hindu Kush, an area ...

n cavalry and Greek mercenaries into

Media Media may refer to: Communication * Means of communication, tools and channels used to deliver information or data ** Advertising media, various media, content, buying and placement for advertising ** Interactive media, media that is inter ...

. * For the first time, Alexander encounters

war elephant A war elephant is an elephant that is Animal training, trained and guided by humans for combat purposes. Historically, the war elephant's main use was to charge (warfare), charge the enemy, break their ranks, and instill terror and fear. Elep ...

s after the battle in Darius' camp. In the capital, Susa, Alexander gains access to huge treasures amounting to 50,000 gold talents (equivalent of today circa 77 billion

USD The United States dollar (symbol: $; currency code: USD) is the official currency of the United States and several other countries. The Coinage Act of 1792 introduced the U.S. dollar at par with the Spanish silver dollar, divided it int ...

Greece

* From

Thapsacus Thapsacus (; ''Tipsah'') was an ancient town along the western bank of the Euphrates river that would now lie in modern Syria. Thapsacus was the Greek and Roman name for the town. The town was important and prosperous due to its river crossing, whi ...

on the Euphrastes River, Alexander led the Greek army toward the

Tigris River The Tigris ( ; see below) is the eastern of the two great rivers that define Mesopotamia, the other being the Euphrates. The river flows south from the mountains of the Armenian Highlands through the Syrian and Arabian Deserts, before merging ...

, leading to a victory over the Persians on October 31 at

Gaugamela The Battle of Gaugamela ( ; ), also called the Battle of Arbela (), took place in 331 BC between the forces of the Ancient Macedonian army, Army of Macedon under Alexander the Great and the Achaemenid Army, Persian Army under Darius III, ...

, after which Darius fled and escaped. * While Alexander is fighting in Asia,

Agis III Agis III (Ancient Greek, Greek: , died 331 BC) was the eldest son of Archidamus III, and the 21st Eurypontid king of Sparta between 338 and 331 BC. He tried to lead a revolt against Macedonia (ancient kingdom), Macedonian hegemony over Greece, but ...

Sparta Sparta was a prominent city-state in Laconia in ancient Greece. In antiquity, the city-state was known as Lacedaemon (), while the name Sparta referred to its main settlement in the Evrotas Valley, valley of Evrotas (river), Evrotas rive ...

, profiting from the Macedonian king's absence from

Greece Greece, officially the Hellenic Republic, is a country in Southeast Europe. Located on the southern tip of the Balkan peninsula, it shares land borders with Albania to the northwest, North Macedonia and Bulgaria to the north, and Turkey to th ...

, leads some of the Greek cities in a revolt. With Persian money and 8,000 Greek mercenaries, he holds

Crete Crete ( ; , Modern Greek, Modern: , Ancient Greek, Ancient: ) is the largest and most populous of the Greek islands, the List of islands by area, 88th largest island in the world and the List of islands in the Mediterranean#By area, fifth la ...

against Macedonian forces. In the

Peloponnesus The Peloponnese ( ), Peloponnesus ( ; , ) or Morea (; ) is a peninsula and geographic regions of Greece, geographic region in Southern Greece, and the southernmost region of the Balkans. It is connected to the central part of the country by the ...

he routs a force under the Macedonian general

Coragus Coragus (Κόραγος) of the Ancient Macedonian army, Macedonian army was a celebrated warrior and companion of Alexander the Great. He is best known for his defeat at the hands of the Athenian Dioxippus, practitioner of pankration. During a ...

and, although

Athens Athens ( ) is the Capital city, capital and List of cities and towns in Greece, largest city of Greece. A significant coastal urban area in the Mediterranean, Athens is also the capital of the Attica (region), Attica region and is the southe ...

stays neutral, he is joined by

Elis Elis also known as Ellis or Ilia (, ''Eleia'') is a historic region in the western part of the Peloponnese peninsula of Greece. It is administered as a regional unit of the modern region of Western Greece. Its capital is Pyrgos. Until 2011 it ...

Achaea Achaea () or Achaia (), sometimes transliterated from Greek language, Greek as Akhaia (, ''Akhaḯa'', ), is one of the regional units of Greece. It is part of the modern regions of Greece, region of Western Greece and is situated in the northwest ...

(except Pellene) and Arcadia, with the exception of

Megalopolis A megalopolis () or a supercity, also called a megaregion, is a group of metropolitan areas which are perceived as a continuous urban area through common systems of transport, economy, resources, ecology, and so on. They are integrated enough ...

, the staunchly anti-Spartan capital of Arcadia, which Agis III's forces besiege. *

Alexander Alexander () is a male name of Greek origin. The most prominent bearer of the name is Alexander the Great, the king of the Ancient Greek kingdom of Macedonia who created one of the largest empires in ancient history. Variants listed here ar ...

's regent

Antipater Antipater (; ; 400 BC319 BC) was a Macedonian general, regent and statesman under the successive kingships of Philip II of Macedon and his son, Alexander the Great. In the wake of the collapse of the Argead house, his son Cassander ...

leads the Macedonians to victory over King

in the

Battle of Megalopolis The Battle of Megalopolis was fought in 331 BC between Spartan-led forces and Macedonia. Alexander's regent Antipater led the Macedonians to victory over King Agis III. Alexander, warring in Asia at the time, called it a "battle of mice" (), acc ...

Italy

Alexander of Epirus Alexander I of Epirus (; c. 370 BC – 331 BC), also known as Alexander Molossus (), was a king of Epirus (343/2–331 BC) of the Aeacid dynasty.Ellis, J. R., ''Philip II and Macedonian Imperialism'', Thames and Hudson, 1976, pp. ...

takes Heraclea from the

Lucanians The Lucanians () were an Italic tribe living in Lucania, in what is now southern Italy, who spoke the Oscan language, a member of the Italic languages. Today, the inhabitants of the Basilicata region are still called Lucani, and so is their d ...

, and Terina and Sipontum from the

Bruttii The Bruttians (alternative spelling, Brettii) () were an ancient Italic people. They inhabited the southern extremity of Italy, from the frontiers of Lucania to the Sicilian Straits and the promontory of Leucopetra. This roughly corresponds to ...

. * Tarentum turns against Alexander of Epirus when they realize that he intends to create a kingdom of his own in southern

Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...

. Alexander is defeated and killed in the Battle of Pandosia on the banks of the

Acheron The Acheron ( or ; ''Acheron'' or Ἀχερούσιος ''Acherousios''; ''Acherontas'') is a river in the Epirus (region), Epirus region of northwest Greece. It is long, and has a drainage area of . The river's source is located near the vil ...

Roman Republic

* The Gallic tribe of the

Senones The Senones or Senonii (Gaulish: "the ancient ones") were an ancient Gallic tribe dwelling in the Seine basin, around present-day Sens, during the Iron Age and the Roman period. Part of the Senones settled in the Italian peninsula, where the ...

and the

Romans Roman or Romans most often refers to: *Rome, the capital city of Italy *Ancient Rome, Roman civilization from 8th century BC to 5th century AD *Roman people, the people of Roman civilization *Epistle to the Romans, shortened to Romans, a letter w ...

conclude a peace and enter upon a period of friendly relations which lasts the rest of the century.

Births

Deaths

Alexander I of Epirus Alexander I of Epirus (; c. 370 BC – 331 BC), also known as Alexander Molossus (), was a king of Epirus (343/2–331 BC) of the Aeacid dynasty.Ellis, J. R., ''Philip II and Macedonian Imperialism'', Thames and Hudson, 1976, pp. ...

, Aeacid dynasty king of

Epirus Epirus () is a Region#Geographical regions, geographical and historical region, historical region in southeastern Europe, now shared between Greece and Albania. It lies between the Pindus Mountains and the Ionian Sea, stretching from the Bay ...

(b. c. 370 BC) * Vahe, legendary king of

Armenia Armenia, officially the Republic of Armenia, is a landlocked country in the Armenian Highlands of West Asia. It is a part of the Caucasus region and is bordered by Turkey to the west, Georgia (country), Georgia to the north and Azerbaijan to ...

and last of the Hyke dynasty

References

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