Year 1420 ( MCDXX) was a

leap year starting on Monday A leap year starting on Monday is any year with 366 days (i.e. it includes 29 February) that begins on Monday, 1 January, and ends on Tuesday, 31 December. Its dominical letters hence are GF. The most recent year of such kind was 1996 and the n ...

(link will display the full calendar) of the

Julian calendar The Julian calendar, proposed by Roman consul Julius Caesar in 46 BC, was a reform of the Roman calendar. It took effect on , by edict. It was designed with the aid of Greek mathematicians and astronomers such as Sosigenes of Alexandri ...

Events

January–December

March March is the third month of the year in both the Julian and Gregorian calendars. It is the second of seven months to have a length of 31 days. In the Northern Hemisphere, the meteorological beginning of spring occurs on the first day of March ...

– The

Çelebi Sultan Mehmed Mosque The Çelebi Sultan Mehmed Mosque ( tr, Çelebi Sultan Mehmed Camii; el, Τέμενος Μεχμέτ Α'), also known as the Bayezid Mosque (Τέμενος Βαγιαζήτ) and the Great Mosque ( tr, Büyük Camii or ''Ulu Camii''), is an early 1 ...

Didymoteicho Didymoteicho ( el, Διδυμότειχο, Didymóteicho ) is a city located on the eastern edge of the Evros regional unit of Eastern Macedonia and Thrace, in northeastern Greece. It is the seat of the municipality of the same name. The town ...

is inaugurated. *

May 21 Events Pre-1600 * 293 – Roman Emperors Diocletian and Maximian appoint Galerius as ''Caesar'' to Diocletian, beginning the period of four rulers known as the Tetrarchy. * 878 – Syracuse, Sicily, is captured by the Muslim Aghlabi ...

–

Treaty of Troyes The Treaty of Troyes was an agreement that King Henry V of England and his heirs would inherit the French throne upon the death of King Charles VI of France. It was formally signed in the French city of Troyes on 21 May 1420 in the aftermath of ...

: With the Burgundian faction dominant in France, King

Charles VI of France Charles VI (3 December 136821 October 1422), nicknamed the Beloved (french: le Bien-Aimé) and later the Mad (french: le Fol or ''le Fou''), was King of France from 1380 until his death in 1422. He is known for his mental illness and psychotic ...

acknowledges

Henry V of England Henry V (16 September 1386 – 31 August 1422), also called Henry of Monmouth, was King of England and Lord of Ireland from 1413 until his death in 1422. Despite his relatively short reign, Henry's outstanding military successes in the ...

as his heir, and as virtual ruler of most of France. *

May 25 Events Pre-1600 * 567 BC – Servius Tullius, the king of Rome, celebrates a triumph for his victory over the Etruscans. *240 BC – First recorded perihelion passage of Halley's Comet. * 1085 – Alfonso VI of Castile takes Tol ...

–

Henry the Navigator ''Dom'' Henrique of Portugal, Duke of Viseu (4 March 1394 – 13 November 1460), better known as Prince Henry the Navigator ( pt, Infante Dom Henrique, o Navegador), was a central figure in the early days of the Portuguese Empire and in the 15t ...

is appointed governor of the

Portuguese Order of Christ The Military Order of Christ is the former order of Knights Templar as it was reconstituted in Portugal. Before 1910 it was known as the Royal Military Order of Our Lord Jesus Christ and the Order of the Knights of Our Lord Jesus Christ. It was ...

. *

June 2 Events Pre-1600 * 455 – Sack of Rome: Vandals enter Rome, and plunder the city for two weeks. * 1098 – First Crusade: The first Siege of Antioch ends as Crusader forces take the city; the second siege began five days later. 1601� ...

–

Catherine of Valois Catherine of Valois or Catherine of France (27 October 1401 – 3 January 1437) was Queen of England from 1420 until 1422. A daughter of Charles VI of France, she was married to Henry V of England and gave birth to his heir Henry VI of Englan ...

marries King

. *

June 7 Events Pre-1600 * 421 – Emperor Theodosius II marries Aelia Eudocia at Constantinople (Byzantine Empire). * 879 – Pope John VIII recognizes the Duchy of Croatia under Duke Branimir as an independent state. * 1002 – Henr ...

– Troops of the

Republic of Venice The Republic of Venice ( vec, Repùblega de Venèsia) or Venetian Republic ( vec, Repùblega Vèneta, links=no), traditionally known as La Serenissima ( en, Most Serene Republic of Venice, italics=yes; vec, Serenìsima Repùblega de Venèsia ...

capture

Udine Udine ( , ; fur, Udin; la, Utinum) is a city and ''comune'' in north-eastern Italy, in the middle of the Friuli Venezia Giulia region, between the Adriatic Sea and the Alps (''Alpi Carniche''). Its population was 100,514 in 2012, 176,000 with t ...

after a long siege, ending the independence of the

Patriarchal State of Friuli The Patria del Friuli ( la, Patria Fori Iulii, fur, Patrie dal Friûl) was the territory under the temporal rule of the Patriarch of Aquileia and one of the ecclesiastical states of the Holy Roman Empire. In 1420, the Republic of Venice acquir ...

, run by the

Patriarch of Aquileia The highest-ranking bishops in Eastern Orthodoxy, Oriental Orthodoxy, the Catholic Church (above major archbishop and primate), the Hussite Church, Church of the East, and some Independent Catholic Churches are termed patriarchs (and in certain ...

. *

August 7 Events Pre-1600 * 461 – Roman Emperor Majorian is beheaded near the river Iria in north-west Italy following his arrest and deposition by the ''magister militum'' Ricimer. * 626 – The Avar and Slav armies leave the siege of Co ...

– Construction of the dome of

Florence Cathedral Florence Cathedral, formally the (; in English Cathedral of Saint Mary of the Flower), is the cathedral of Florence, Italy ( it, Duomo di Firenze). It was begun in 1296 in the Gothic style to a design of Arnolfo di Cambio and was structurally co ...

is started, after

Filippo Brunelleschi Filippo Brunelleschi ( , , also known as Pippo; 1377 – 15 April 1446), considered to be a founding father of Renaissance architecture, was an Italian architect, designer, and sculptor, and is now recognized to be the first modern engineer, p ...

wins the commission for his "double shell" design. * September 1 – a 9.4 M_S-strong earthquake shakes Chile's Atacama Region causing

tsunami A tsunami ( ; from ja, 津波, lit=harbour wave, ) is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Earthquakes, volcanic eruptions and other underwater exp ...

s in Chile as well as

Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only stat ...

and

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the n ...

.Manuel Abad, Tatiana Izquierdo, Miguel Cáceres, Enrique Bernárdez and Joaquín Rodríguez-Vidal (2018). ''Coastal boulder deposit as evidence of an ocean-wide prehistoric tsunami originated on the Atacama Desert coast (northern Chile)''. Sedimentology. Publication: december, 13th, 2018. https://doi.org/10.1111/sed.12570 *

October 22 Events Pre-1600 * 451 – The Chalcedonian Creed, regarding the divine and human nature of Jesus, is adopted by the Council of Chalcedon, an ecumenical council. * 794 – Emperor Kanmu relocates the Japanese capital to Heian-kyō (no ...

–

Ghiyāth al-dīn Naqqāsh Mawlānā Ghiyāth al-dīn Naqqāsh (غیاث الدین نقاش) ( fl. 1419-22) was an envoy of the Timurid ruler of Persia and Transoxania, Mirza Shahrukh (r. 1404–1447), to the court of the Yongle Emperor (r. 1402–1424) of the Mi ...

, an envoy of the embassy sent by the Timurid ruler of

Persia Iran, officially the Islamic Republic of Iran, and also called Persia, is a country located in Western Asia. It is bordered by Iraq and Turkey to the west, by Azerbaijan and Armenia to the northwest, by the Caspian Sea and Turkmeni ...

, Mirza Shahrukh (r. 1404–1447), to the

Ming Dynasty The Ming dynasty (), officially the Great Ming, was an Dynasties in Chinese history, imperial dynasty of China, ruling from 1368 to 1644 following the collapse of the Mongol Empire, Mongol-led Yuan dynasty. The Ming dynasty was the last ort ...

of China during the reign of the

Yongle Emperor The Yongle Emperor (; pronounced ; 2 May 1360 – 12 August 1424), personal name Zhu Di (), was the third Emperor of the Ming dynasty, reigning from 1402 to 1424. Zhu Di was the fourth son of the Hongwu Emperor, the founder of the Ming dyn ...

(r. 1402–1424), records his sight and travel over a large floating

pontoon bridge A pontoon bridge (or ponton bridge), also known as a floating bridge, uses floats or shallow- draft boats to support a continuous deck for pedestrian and vehicle travel. The buoyancy of the supports limits the maximum load that they can carry ...

Lanzhou Lanzhou (, ; ) is the capital and largest city of Gansu Province in Northwest China. Located on the banks of the Yellow River, it is a key regional transportation hub, connecting areas further west by rail to the eastern half of the country. H ...

(constructed earlier in

1372 Year 1372 ( MCCCLXXII) was a leap year starting on Thursday (link will display the full calendar) of the Julian calendar. Events January–December * May – Owain Lawgoch makes a second attempt to take the throne of Wales, saili ...

) as he crosses the

Yellow River The Yellow River or Huang He (Chinese: , Mandarin: ''Huáng hé'' ) is the second-longest river in China, after the Yangtze River, and the sixth-longest river system in the world at the estimated length of . Originating in the Bayan Ha ...

on this day. He writes that it was: "...composed of twenty three boats, of great excellence and strength attached together by a long chain of iron as thick as a man's thigh, and this was moored on each side to an iron post as thick as a man's waist extending a distance of ten cubits on the land and planted firmly in the ground, the boats being fastened to this chain by means of big hooks. There were placed big wooden planks over the boats so firmly and evenly that all the animals were made to pass over it without difficulty." * October 28 –

Beijing } Beijing ( ; ; ), Chinese postal romanization, alternatively romanized as Peking ( ), is the Capital city, capital of the China, People's Republic of China. It is the center of power and development of the country. Beijing is the world's Li ...

is officially designated the capital of the

, during the same year that the

Forbidden City The Forbidden City () is a palace complex in Dongcheng District, Beijing, China, at the center of the Imperial City of Beijing. It is surrounded by numerous opulent imperial gardens and temples including the Zhongshan Park, the sacrifi ...

, the seat of government, is completed. *

November 1 Events Pre-1600 *365 – The Alemanni cross the Rhine and invade Gaul. Emperor Valentinian I moves to Paris to command the army and defend the Gallic cities. * 996 – Emperor Otto III issues a deed to Gottschalk, Bishop of Freising, ...

–

Hussite Wars The Hussite Wars, also called the Bohemian Wars or the Hussite Revolution, were a series of civil wars fought between the Hussites and the combined Catholic forces of Sigismund, Holy Roman Emperor, Holy Roman Emperor Sigismund, the Papacy, Eur ...

–

Battle of Vyšehrad The Battle of Vyšehrad was a series of engagements at the start of the Hussite War between Hussite forces and Catholic crusaders sent by Emperor Sigismund. The battle took place at the castle of Vyšehrad from 16 August 1419 to c. 1 November 142 ...

Sigismund, Holy Roman Emperor Sigismund of Luxembourg (15 February 1368 – 9 December 1437) was a monarch as King of Hungary and Croatia ('' jure uxoris'') from 1387, King of Germany from 1410, King of Bohemia from 1419, and Holy Roman Emperor from 1433 until his death i ...

, fails and is ejected from

Bohemia Bohemia ( ; cs, Čechy ; ; hsb, Čěska; szl, Czechy) is the westernmost and largest historical region of the Czech Republic. Bohemia can also refer to a wider area consisting of the historical Lands of the Bohemian Crown ruled by the Bohem ...

Date unknown

commences construction of the ship '' Grace Dieu''. * Tang Saier starts a rebellion against the emperor of China, and takes two cities with her rebel army, before she is defeated. * Construction begins on the

Temple of Heaven The Temple of Heaven () is a complex of imperial religious buildings situated in the southeastern part of central Beijing. The complex was visited by the Emperors of the Ming and Qing dynasties for annual ceremonies of prayer to Heaven for a ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...

, while the palace complex of the

is completed. In this year the

confers the title "Beijing" ("Northern Capital") for the

's new capital city, replacing

Nanjing Nanjing (; , Mandarin pronunciation: ), Postal Map Romanization, alternately romanized as Nanking, is the capital of Jiangsu Provinces of China, province of the China, People's Republic of China. It is a sub-provincial city, a megacity, and t ...

. * Radu II Praznaglava, supported by the Ottomans, and Dan II, with Hungarian help, start a seven-years-long struggle for the throne of

Wallachia Wallachia or Walachia (; ro, Țara Românească, lit=The Romanian Land' or 'The Romanian Country, ; archaic: ', Romanian Cyrillic alphabet: ) is a historical and geographical region of Romania. It is situated north of the Lower Danube and s ...

, after Mihail I is killed in a battle. The throne of Wallachia will switch from one to another about four times until

1427 Year 1427 ( MCDXXVII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events January–December * January – Spring – Radu II of Wallachia resumes the throne for the four ...

, when Radu II dies. *

Alexandru cel Bun Alexander the Good ( ro, Alexandru cel Bun or ''Alexandru I Mușat''; c. 1375 – 1 January 1432) was a Voivode (Lord) of Moldavia, reigning between 1400 and 1432, son of Roman I Mușat. He succeeded Iuga to the throne, and, as a ruler, init ...

defends Moldavia against the first incursion by the Ottomans, at

Cetatea Albă Bilhorod-Dnistrovskyi ( uk, Бі́лгород-Дністро́вський, Bílhorod-Dnistróvskyy, ; ro, Cetatea Albă), historically known as Akkerman ( tr, Akkerman) or under different names, is a city, municipality and port situated on ...

Births

February 9 Events Pre-1600 * 474 – Zeno is crowned as co-emperor of the Byzantine Empire. * 1003 – Boleslaus III is restored to authority with armed support from Bolesław I the Brave of Poland. *1539 – The first recorded race is held ...

– Dorothea of Brandenburg, Duchess of Mecklenburg (d.

1491 Year 1491 ( MCDXCI) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events January–December * January 2 – Alain I of Albret signs the Treaty of Moulins with Charles VIII of ...

) *

April 23 Events Pre-1600 *215 BC – A temple is built on the Capitoline Hill dedicated to Venus Erycina to commemorate the Roman defeat at Lake Trasimene. * 599 – Maya king Uneh Chan of Calakmul attacks rival city-state Palenque in sout ...

–

George of Poděbrady George of Kunštát and Poděbrady (23 April 1420 – 22 March 1471), also known as Poděbrad or Podiebrad ( cs, Jiří z Poděbrad; german: Georg von Podiebrad), was the sixteenth King of Bohemia, who ruled in 1458–1471. He was a leader of the ...

, King of Bohemia (d.

1471 Year 1471 ( MCDLXXI) was a common year starting on Tuesday (link will display the full calendar) of the Julian calendar. Events January–December * January – Portuguese navigators João de Santarém and Pedro Escobar reach t ...

) *

June 5 Events Pre-1600 * 1257 – Kraków, in Poland, receives city rights. *1283 – Battle of the Gulf of Naples: Roger of Lauria, admiral to King Peter III of Aragon, destroys the Neapolitan fleet and captures Charles of Salerno. *1288 & ...

–

Anna of Saxony, Landgravine of Hesse Anna of Saxony (5 June 1420 – 17 September 1462, Spangenberg) was a princess of Saxony and by marriage landgravine of Hesse. Life Anna was the eldest daughter of the elector Frederick I of Saxony (1370–1428) from his marriage to Cath ...

, German royalty (d. 1462) *

July 19 Events Pre-1600 * AD 64 – The Great Fire of Rome causes widespread devastation and rages on for six days, destroying half of the city. * 484 – Leontius, Roman usurper, is crowned Eastern emperor at Tarsus (modern Turkey). He is ...

– William VIII, Marquess of Montferrat (d. 1483) *

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 Eadw ...

– Elisabeth of Cleves, Countess of Schwarzburg-Blankenburg, German noble (d. 1488) * ''date unknown'' **

Jean Fouquet Jean (or Jehan) Fouquet (ca.1420–1481) was a French painter and miniaturist. A master of panel painting and manuscript illumination, and the apparent inventor of the portrait miniature, he is considered one of the most important painters from ...

, French painter (d. 1481) **

Nicolas Jenson Nicholas Jenson (c. 1420 – 1480) was a French engraver, pioneer, printer and type designer who carried out most of his work in Venice, Italy. Jenson acted as Master of the French Royal Mint at Tours and is credited with being the creator of on ...

, French engraver (d.

1480 Year 1480 ( MCDLXXX) was a leap year starting on Saturday (link will display the full calendar) of the Julian calendar. Events January–December * March 6 – Treaty of Toledo: Ferdinand and Isabella of Spain recognize the Africa ...

) **

Antoinette de Maignelais Antoinette de Maignelais (; 1434–1474) was the chief mistress of Charles VII of France from 1450 until his death. The Baroness of Villequier by marriage, she replaced her cousin Agnès Sorel as the king's favourite mistress after Sorel's sudde ...

, mistress of Charles VII of France (d.

1474 Year 1474 (Roman numerals, MCDLXXIV) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events January–December * February – The Treaty of Utrecht (1474), Treaty of Utrecht puts ...

) **

Tomás de Torquemada Tomás de Torquemada (14 October 1420 – 16 September 1498), also anglicized as Thomas of Torquemada, was a Castilian Dominican friar and first Grand Inquisitor of the Tribunal of the Holy Office (otherwise known as the Spanish Inquisition). ...

, first grand inquisitor of Spain (d.

1490 Year 1490 ( MCDXC) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events January–December * January 4 – Anne of Brittany announces that all those who ally themselves with the ...

)

Deaths

June 11 Events Pre-1600 * 173 – Marcomannic Wars: The Roman army in Moravia is encircled by the Quadi, who have broken the peace treaty (171). In a violent thunderstorm emperor Marcus Aurelius defeats and subdues them in the so-called "miracle ...

– John III, Burgrave of Nuremberg (b. c. 1369) * August – Mihail I, ruler of Wallachia (killed in battle) *

August 9 Events Pre-1600 *48 BC – Caesar's Civil War: Battle of Pharsalus: Julius Caesar decisively defeats Pompey at Pharsalus and Pompey flees to Egypt. * 378 – Gothic War: Battle of Adrianople: A large Roman army led by Emperor Valens ...

–

Pierre d'Ailly Pierre d'Ailly (; Latin ''Petrus Aliacensis'', ''Petrus de Alliaco''; 13519 August 1420) was a French theologian, astrologer and cardinal of the Roman Catholic Church. Academic career D'Ailly was born in Compiègne in 1350 or 1351 of a prospero ...

, French theologian and cardinal (b.

1351 Year 1351 ( MCCCLI) was a common year starting on Saturday (link will display the full calendar) of the Julian calendar. Events January–December * January 14 – Edward III of England institutes the Treason Act 1351, defining ...

) *

September 3 Events Pre-1600 *36 BC – In the Battle of Naulochus, Marcus Vipsanius Agrippa, admiral of Octavian, defeats Sextus Pompey, son of Pompey, thus ending Pompeian resistance to the Second Triumvirate. * 301 – San Marino, one of t ...

–

Robert Stewart, Duke of Albany Robert Stewart, Duke of Albany (c. 1340 – 3 September 1420) was a member of the Scottish royal family who served as regent (at least partially) to three Scottish monarchs ( Robert II, Robert III, and James I). A ruthless politician, Albany ...

, regent of Scotland * ''date unknown'' **

Andrew of Wyntoun Andrew Wyntoun, known as Andrew of Wyntoun (), was a Scottish poet, a canon and prior of Loch Leven on St Serf's Inch and, later, a canon of St. Andrews. Andrew Wyntoun is most famous for his completion of an eight-syllabled metre entitled, ...

, Scottish chronicler (b.

1350 Year 1350 ( MCCCL) was a common year starting on Friday (link will display the full calendar) of the Julian calendar. Events January–December * January 9 – Giovanni II Valente becomes Doge of Genoa. * May 23 (possible date) ...

) ** Marina Galina, Dogaressa of Venice **

Epiphanius the Wise Epiphanius the Wise (russian: Епифаний Премудрый) (died 1420) was a monk from Rostov, hagiographer and disciple of Saint Sergius of Radonezh. Historian Serge A. Zenkovsky wrote that Epiphanius, along with Stephen of Perm, Sergiu ...

, Russian saint ** King Lukeni lua Nimi of the

Kingdom of Kongo The Kingdom of Kongo ( kg, Kongo dya Ntotila or ''Wene wa Kongo;'' pt, Reino do Congo) was a kingdom located in central Africa in present-day northern Angola, the western portion of the Democratic Republic of the Congo, and the Republic of the ...

(b.

1380 Year 1380 ( MCCCLXXX) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar. Events January–December * February – Olaf II of Denmark also becomes Olaf IV of Norway, with his mother M ...

)

References

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