1421
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1421 by topic |
|---|
| Arts and science |
| Architecture - Art |
| Leaders |
| Political entities - State leaders - Colonial governors - Religious leaders |
| Birth and death categories |
| Births - Deaths |
| Establishments and disestablishments categories |
| Establishments - Disestablishments |
| Art and literature |
| 1421 in poetry |
| Gregorian calendar | 1421 MCDXXI |
| Ab urbe condita | 2174 |
| Armenian calendar | 870 ԹՎ ՊՀ |
| Assyrian calendar | 6171 |
| 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) 4117 or 4057 — to — 辛丑年 (Metal Ox) 4118 or 4058 |
| 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 |
Year 1421 (MCDXXI) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar.
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