1420

1420 in various calendars
Gregorian calendar	1420; MCDXX
Ab urbe condita	2173
Armenian calendar	869; ԹՎ ՊԿԹ
Assyrian calendar	6170
Balinese saka calendar	1341–1342
Bengali calendar	827
Berber calendar	2370
English Regnal year	7 Hen. 5 – 8 Hen. 5
Buddhist calendar	1964
Burmese calendar	782
Byzantine calendar	6928–6929
Chinese calendar	己亥年 (Earth Pig); 4117 or 3910; — to —; 庚子年 (Metal Rat); 4118 or 3911
Coptic calendar	1136–1137
Discordian calendar	2586
Ethiopian calendar	1412–1413
Hebrew calendar	5180–5181
Hindu calendars
- Vikram Samvat	1476–1477
- Shaka Samvat	1341–1342
- Kali Yuga	4520–4521
Holocene calendar	11420
Igbo calendar	420–421
Iranian calendar	798–799
Islamic calendar	822–823
Japanese calendar	Ōei 27; (応永２７年)
Javanese calendar	1334–1335
Julian calendar	1420; MCDXX
Korean calendar	3753
Minguo calendar	492 before ROC; 民前492年
Nanakshahi calendar	−48
Thai solar calendar	1962–1963
Tibetan calendar	阴土猪年; (female Earth-Pig); 1546 or 1165 or 393; — to —; 阳金鼠年; (male Iron-Rat); 1547 or 1166 or 394

Millennium:	2nd millennium
Centuries:	14th century; 15th century ; 16th century;
Decades:	1400s; 1410s; 1420s ; 1430s; 1440s;
Years:	1417; 1418; 1419; 1420 ; 1421; 1422; 1423;

Year 1420 (MCDXX) was a leap year starting on Monday (link will display the full calendar) of the Julian calendar.

Events

January–December

March – The Çelebi Sultan Mehmed Mosque in Didymoteicho is inaugurated.
May 21 – Treaty of Troyes: With the Burgundian faction dominant in France, King Charles VI of France acknowledges Henry V of England as his heir, and as virtual ruler of most of France.^[1]
May 25 – Henry the Navigator is appointed Grand Master of the Military Order of Christ.
June 2 – Catherine of Valois marries King Henry V of England.^[2]
June 7 – Troops of the Republic of Venice capture Udine after a long siege, ending the independence of the Patriarchal State of Friuli, run by the Patriarch of Aquileia.
August 7 – Construction of the dome of Florence Cathedral is started, after Filippo Brunelleschi wins the commission for his "double shell" design.
August 31 – A 9.4 M_S-strong earthquake shakes Chile's Atacama Region, causing tsunamis in Chile, as well as Hawaii and Japan.^[3]^[4]
October 22 – Ghiyāth al-dīn Naqqāsh, an envoy of the embassy sent by the Timurid ruler of Persia, Mirza Shahrukh (r. 1404–1447), to the Ming Dynasty of China during the reign of the Yongle Emperor (r. 1402–1424), records his sight and travel over a large floating pontoon bridge at Lanzhou (constructed earlier in 1372) as he crosses the Yellow River 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 is officially designated the capital of the Ming Dynasty, during the same year that the Forbidden City, the seat of government, is completed.
November 1 – Hussite Wars – Battle of Vyšehrad: Sigismund, Holy Roman Emperor, fails and is ejected from Bohemia.

Date unknown

Henry V of England 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.^[5]
Construction begins on the Temple of Heaven in Beijing, China, while the palace complex of the Forbidden City is completed. In this year the Yongle Emperor confers the title "Beijing" ("Northern Capital") for the Ming Dynasty's new capital city, replacing Nanjing.
Radu II Praznaglava, supported by the Ottomans, and Dan II, with Hungarian help, start a seven-years-long struggle for the throne of Wallachia, after Mihail I is killed in a battle. The throne of Wallachia will switch from one to another about four times until 1427, when Radu II dies.
Alexandru cel Bun defends Moldavia against the first incursion by the Ottomans, at Cetatea Albă.

Births

February 9 – Dorothea of Brandenburg, Duchess of Mecklenburg (d. 1491)
April 23 – George of Poděbrady, King of Bohemia (d. 1471)^[6]
June 5 – Anna of Saxony, Landgravine of Hesse, German royalty (d. 1462)^[7]
July 19 – William VIII, Marquess of Montferrat (d. 1483)
October 1 – Elisabeth of Cleves, Countess of Schwarzburg-Blankenburg, German noble (d. 1488)
date unknown
- Jean Fouquet, French painter (d. 1481)
- Nicolas Jenson, French engraver (d. 1480)
- Antoinette de Maignelais, mistress of Charles VII of France (d. 1474)
- Tomás de Torquemada, first grand inquisitor of Spain (d. 1490)^[8]

Deaths

June 11 – John III, Burgrave of Nuremberg (b. c. 1369)
June 12 – Adolf I, Count of Nassau-Siegen (b. 1362)^[9]
August – Mihail I, ruler of Wallachia (killed in battle)
August 9 – Pierre d'Ailly, French theologian and cardinal (b. 1351)
September 3 – Robert Stewart, Duke of Albany, regent of Scotland
date unknown
- Andrew of Wyntoun, Scottish chronicler (b. 1350)^[10]
- Marina Galina, Dogaressa of Venice
- Epiphanius the Wise, Russian saint^[11]
- King Lukeni lua Nimi of the Kingdom of Kongo (b. 1380)

References

^ Arthur Hassall (1919). France, Mediaeval and Modern: A History. Clarendon Press. p. 64. ISBN 978-0-598-86435-2.
^ Keith Dockray (2004). Henry V. Tempus. p. 185. ISBN 978-0-7524-3046-1.
^ Guzmán, L. (February 14, 2019). "Encuentran registros de megaterremoto ocurrido hace seis siglos en el norte de Chile". El Mercurio (in Spanish). Santiago, Chile. Retrieved June 8, 2019.
^ 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
^ Lily Xiao Hong Lee, Sue Wiles: Biographical Dictionary of Chinese Women, Volume II: Tang Through Ming 618 - 1644
^ The Encyclopedia Americana. Grolier Incorporated. 1999. p. 516. ISBN 978-0-7172-0131-0.
^ Anne Commire (October 8, 1999). Women in World History. Gale. p. 361. ISBN 978-0-7876-4061-3.
^ Iris Lilian Whitman (1927). Longfellow and Spain. Lancaster Press Incorporated. p. 214.
^ Dek, A.W.E. (1970). Genealogie van het Vorstenhuis Nassau (in Dutch). Zaltbommel: Europese Bibliotheek. p. 66.
^ James Grant Wilson (1876). From Thomas the Rhymer to Richard Gall. Harper & brothers. p. 8.
^ Henrik Birnbaum; Michael S. Flier (1984). California Slavic Studies. University of California Press. p. 60. ISBN 978-0-520-08638-8.