1421

Millennium: 2nd millennium
Centuries:
Decades:
Years:
1421 in various calendars
Gregorian calendar1421
MCDXXI
Ab urbe condita2174
Armenian calendar870
ԹՎ ՊՀ
Assyrian calendar6171
Balinese saka calendar1342–1343
Bengali calendar828
Berber calendar2371
English Regnal yearHen. 5 – 9 Hen. 5
Buddhist calendar1965
Burmese calendar783
Byzantine calendar6929–6930
Chinese calendar庚子年 (Metal Rat)
4118 or 3911
    — to —
辛丑年 (Metal Ox)
4119 or 3912
Coptic calendar1137–1138
Discordian calendar2587
Ethiopian calendar1413–1414
Hebrew calendar5181–5182
Hindu calendars
 - Vikram Samvat1477–1478
 - Shaka Samvat1342–1343
 - Kali Yuga4521–4522
Holocene calendar11421
Igbo calendar421–422
Iranian calendar799–800
Islamic calendar823–824
Japanese calendarŌei 28
(応永28年)
Javanese calendar1335–1336
Julian calendar1421
MCDXXI
Korean calendar3754
Minguo calendar491 before ROC
民前491年
Nanakshahi calendar−47
Thai solar calendar1963–1964
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.