1378
| Years |
|---|
| Millennium |
| 2nd millennium |
| Centuries |
| Decades |
| Years |
| 1378 by topic |
|---|
| Leaders |
|
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Art and literature |
| 1378 in poetry |
| Gregorian calendar | 1378 MCCCLXXVIII |
| Ab urbe condita | 2131 |
| Armenian calendar | 827 ԹՎ ՊԻԷ |
| Assyrian calendar | 6128 |
| Balinese saka calendar | 1299–1300 |
| Bengali calendar | 784–785 |
| Berber calendar | 2328 |
| English Regnal year | 1 Ric. 2 – 2 Ric. 2 |
| Buddhist calendar | 1922 |
| Burmese calendar | 740 |
| Byzantine calendar | 6886–6887 |
| Chinese calendar | 丁巳年 (Fire Snake) 4075 or 3868 — to — 戊午年 (Earth Horse) 4076 or 3869 |
| Coptic calendar | 1094–1095 |
| Discordian calendar | 2544 |
| Ethiopian calendar | 1370–1371 |
| Hebrew calendar | 5138–5139 |
| Hindu calendars | |
| - Vikram Samvat | 1434–1435 |
| - Shaka Samvat | 1299–1300 |
| - Kali Yuga | 4478–4479 |
| Holocene calendar | 11378 |
| Igbo calendar | 378–379 |
| Iranian calendar | 756–757 |
| Islamic calendar | 779–780 |
| Japanese calendar | Eiwa 4 (永和４年) |
| Javanese calendar | 1291–1292 |
| Julian calendar | 1378 MCCCLXXVIII |
| Korean calendar | 3711 |
| Minguo calendar | 534 before ROC 民前534年 |
| Nanakshahi calendar | −90 |
| Thai solar calendar | 1920–1921 |
| Tibetan calendar | 阴火蛇年 (female Fire-Snake) 1504 or 1123 or 351 — to — 阳土马年 (male Earth-Horse) 1505 or 1124 or 352 |
Year 1378 (MCCCLXXVIII) was a common year starting on Friday of the Julian calendar.