| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1674 by topic |
|---|
| Arts and science |
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Works category |
| Gregorian calendar | 1674 MDCLXXIV |
| Ab urbe condita | 2427 |
| Armenian calendar | 1123 ԹՎ ՌՃԻԳ |
| Assyrian calendar | 6424 |
| Balinese saka calendar | 1595–1596 |
| Bengali calendar | 1081 |
| Berber calendar | 2624 |
| English Regnal year | 25 Cha. 2 – 26 Cha. 2 |
| Buddhist calendar | 2218 |
| Burmese calendar | 1036 |
| Byzantine calendar | 7182–7183 |
| Chinese calendar | 癸丑年 (Water Ox) 4371 or 4164 — to — 甲寅年 (Wood Tiger) 4372 or 4165 |
| Coptic calendar | 1390–1391 |
| Discordian calendar | 2840 |
| Ethiopian calendar | 1666–1667 |
| Hebrew calendar | 5434–5435 |
| Hindu calendars | |
| - Vikram Samvat | 1730–1731 |
| - Shaka Samvat | 1595–1596 |
| - Kali Yuga | 4774–4775 |
| Holocene calendar | 11674 |
| Igbo calendar | 674–675 |
| Iranian calendar | 1052–1053 |
| Islamic calendar | 1084–1085 |
| Japanese calendar | Enpō 2 (延宝２年) |
| Javanese calendar | 1596–1597 |
| Julian calendar | Gregorian minus 10 days |
| Korean calendar | 4007 |
| Minguo calendar | 238 before ROC 民前238年 |
| Nanakshahi calendar | 206 |
| Thai solar calendar | 2216–2217 |
| Tibetan calendar | 阴水牛年 (female Water-Ox) 1800 or 1419 or 647 — to — 阳木虎年 (male Wood-Tiger) 1801 or 1420 or 648 |
.png)
1674 (MDCLXXIV) was a common year starting on Monday of the Gregorian calendar and a common year starting on Thursday of the Julian calendar, the 1674th year of the Common Era (CE) and Anno Domini (AD) designations, the 674th year of the 2nd millennium, the 74th year of the 17th century, and the 5th year of the 1670s decade. As of the start of 1674, the Gregorian calendar was 10 days ahead of the Julian calendar, which remained in localized use until 1923.