| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1380 by topic | |
| Leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births - Deaths | |
| Establishments and disestablishments categories | |
| Establishments - Disestablishments | |
| Art and literature | |
| 1380 in poetry | |
| Gregorian calendar | 1380 MCCCLXXX |
| Ab urbe condita | 2133 |
| Armenian calendar | 829 ԹՎ ՊԻԹ |
| Assyrian calendar | 6130 |
| Bengali calendar | 787 |
| Berber calendar | 2330 |
| English Regnal year | 3 Ric. 2 – 4 Ric. 2 |
| Buddhist calendar | 1924 |
| Burmese calendar | 742 |
| Byzantine calendar | 6888–6889 |
| Chinese calendar |
己未年 (Earth Goat) 4076 or 4016 — to — 庚申年 (Metal Monkey) 4077 or 4017 |
| Coptic calendar | 1096–1097 |
| Discordian calendar | 2546 |
| Ethiopian calendar | 1372–1373 |
| Hebrew calendar | 5140–5141 |
| Hindu calendars | |
| - Vikram Samvat | 1436–1437 |
| - Shaka Samvat | 1301–1302 |
| - Kali Yuga | 4480–4481 |
| Holocene calendar | 11380 |
| Igbo calendar | 380–381 |
| Iranian calendar | 758–759 |
| Islamic calendar | 781–782 |
| Japanese calendar |
Kōryaku 2 (康暦2年) |
| Javanese calendar | 1293–1294 |
| Julian calendar | 1380 MCCCLXXX |
| Korean calendar | 3713 |
| Minguo calendar | 532 before ROC 民前532年 |
| Nanakshahi calendar | −88 |
| Thai solar calendar | 1922–1923 |
Year 1380 (MCCCLXXX) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar.