| Millennium: | 1st millennium |
|---|---|
| Centuries: | 6th century – 7th century – 8th century |
| Decades: | 640s 650s 660s – 670s – 680s 690s 700s |
| Years: | 671 672 673 – 674 – 675 676 677 |
| 674 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 674 DCLXXIV |
| Ab urbe condita | 1427 |
| Armenian calendar | 123 ԹՎ ՃԻԳ |
| Bahá'í calendar | -1170 – -1169 |
| Bengali calendar | 81 |
| Berber calendar | 1624 |
| Buddhist calendar | 1218 |
| Burmese calendar | 36 |
| Byzantine calendar | 6182 – 6183 |
| Chinese calendar | 癸酉年十一月十九日 (3310/3370-11-19) — to —
甲戌年十一月廿九日(3311/3371-11-29) |
| Coptic calendar | 390 – 391 |
| Ethiopian calendar | 666 – 667 |
| Hebrew calendar | 4434 – 4435 |
| Hindu calendars | |
| - Bikram Samwat | 730 – 731 |
| - Shaka Samvat | 596 – 597 |
| - Kali Yuga | 3775 – 3776 |
| Holocene calendar | 10674 |
| Iranian calendar | 52 – 53 |
| Islamic calendar | 54 – 55 |
| Japanese calendar | |
| Korean calendar | 3007 |
| Thai solar calendar | 1217 |
674 was a year of the 7th century.