| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1377 by topic | |
| Leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births - Deaths | |
| Establishments and disestablishments categories | |
| Establishments - Disestablishments | |
| Art and literature | |
| 1377 in poetry | |
| Gregorian calendar | 1377 MCCCLXXVII |
| Ab urbe condita | 2130 |
| Armenian calendar | 826 ԹՎ ՊԻԶ |
| Assyrian calendar | 6127 |
| Bengali calendar | 784 |
| Berber calendar | 2327 |
| English Regnal year | 50 Edw. 3 – 1 Ric. 2 |
| Buddhist calendar | 1921 |
| Burmese calendar | 739 |
| Byzantine calendar | 6885–6886 |
| Chinese calendar |
丙辰年 (Fire Dragon) 4073 or 4013 — to — 丁巳年 (Fire Snake) 4074 or 4014 |
| Coptic calendar | 1093–1094 |
| Discordian calendar | 2543 |
| Ethiopian calendar | 1369–1370 |
| Hebrew calendar | 5137–5138 |
| Hindu calendars | |
| - Vikram Samvat | 1433–1434 |
| - Shaka Samvat | 1298–1299 |
| - Kali Yuga | 4477–4478 |
| Holocene calendar | 11377 |
| Igbo calendar | 377–378 |
| Iranian calendar | 755–756 |
| Islamic calendar | 778–779 |
| Japanese calendar |
Eiwa 3 (永和3年) |
| Javanese calendar | 1290–1291 |
| Julian calendar | 1377 MCCCLXXVII |
| Korean calendar | 3710 |
| Minguo calendar | 535 before ROC 民前535年 |
| Nanakshahi calendar | −91 |
| Thai solar calendar | 1919–1920 |
Year 1377 (MCCCLXXVII) was a common year starting on Thursday (link will display the full calendar) of the Julian calendar.