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Millennium:	2nd millennium
Centuries:	14th century 15th century 16th century
Decades:	1400s 1410s 1420s 1430s 1440s
Years:	1418 1419 1420 1421 1422 1423 1424

1421 by topic
Arts and science
Architecture Art
Leaders
Political entities State leaders Religious leaders
Birth and death categories
Births – Deaths
Establishments and disestablishments categories
Establishments – Disestablishments
Art and literature
1421 in poetry
v t e

1421 in various calendars
Gregorian calendar	1421 MCDXXI
Ab urbe condita	2174
Armenian calendar	870 ԹՎ ՊՀ
Assyrian calendar	6171
Balinese saka calendar	1342–1343
Bengali calendar	828
Berber calendar	2371
English Regnal year	8 Hen. 5 – 9 Hen. 5
Buddhist calendar	1965
Burmese calendar	783
Byzantine calendar	6929–6930
Chinese calendar	庚子年 (Metal Rat) 4118 or 3911 — to — 辛丑年 (Metal Ox) 4119 or 3912
Coptic calendar	1137–1138
Discordian calendar	2587
Ethiopian calendar	1413–1414
Hebrew calendar	5181–5182
Hindu calendars
- Vikram Samvat	1477–1478
- Shaka Samvat	1342–1343
- Kali Yuga	4521–4522
Holocene calendar	11421
Igbo calendar	421–422
Iranian calendar	799–800
Islamic calendar	823–824
Japanese calendar	Ōei 28 (応永２８年)
Javanese calendar	1335–1336
Julian calendar	1421 MCDXXI
Korean calendar	3754
Minguo calendar	491 before ROC 民前491年
Nanakshahi calendar	−47
Thai solar calendar	1963–1964
Tibetan calendar	阳金鼠年 (male Iron-Rat) 1547 or 1166 or 394 — to — 阴金牛年 (female Iron-Ox) 1548 or 1167 or 395

Year 1421 (MCDXXI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar.

Events

February 2 – Yongle Emperor, third emperor of the Ming Dynasty, shifts the Ming capital from Nanjing to Beijing.
March 3 – Zheng He receives an imperial order from the Yongle Emperor to bring imperial letters, silk products, and other gifts to various rulers of countries around the Indian Ocean.
March 21 – Battle of Baugé: A small French force surprises and defeats a smaller English force under Thomas, Duke of Clarence, a brother of Henry V of England, in Normandy.^[1]
May 26 – Mehmed I, Sultan of the Ottoman Empire, dies and is succeeded by his son, Murad II.
November 17–19 – St. Elizabeth's flood: The coastal area near Dordrecht in the Netherlands is flooded, due to the extremely high tide of the North Sea; 72 villages are drowned, killing about 10,000 people, and the course of the Meuse is changed.

John III of Dampierre, Marquis of Namur, sells his estates to Philip the Good, Duke of Burgundy.
The first patent is issued by the Republic of Florence.^[2]
Portuguese sailors sent by Henry the Navigator cross Cape Non, going as far as Cape Bojador.
Traditional date – Larabanga Mosque is founded, in modern-day northern Ghana.

Births