| Centuries: | 9th century - 10th century - 11th century |
| Decades: | 940s 950s 960s - 970s - 980s 990s 1000s |
| Years: | 975 976 977 - 978 - 979 980 981 |
| 978 by topic | |
| Politics | |
| State leaders - Sovereign states | |
| Birth and death categories | |
| Births - Deaths | |
| Establishment and disestablishment categories | |
| Establishments - Disestablishments | |
| Gregorian calendar | 978 CMLXXVIII |
| Ab urbe condita | 1731 |
| Armenian calendar | 427 ԹՎ ՆԻԷ |
| Bahá'í calendar | -866 – -865 |
| Berber calendar | 1928 |
| Buddhist calendar | 1522 |
| Burmese calendar | 340 |
| Chinese calendar | 3614/3674-11-20 (丁丑年十一月二十日) — to —
3615/3675-11-29(戊寅年十一月廿九日) |
| Coptic calendar | 694 – 695 |
| Ethiopian calendar | 970 – 971 |
| Hebrew calendar | 4738 – 4739 |
| Hindu calendars | |
| - Vikram Samvat | 1033 – 1034 |
| - Shaka Samvat | 900 – 901 |
| - Kali Yuga | 4079 – 4080 |
| Holocene calendar | 10978 |
| Iranian calendar | 356 – 357 |
| Islamic calendar | 367 – 368 |
| Japanese calendar | |
| Korean calendar | 3311 |
| Thai solar calendar | 1521 |