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|Centuries:||16th century – 17th century – 18th century|
|Decades:||1640s 1650s 1660s – 1670s – 1680s 1690s 1700s|
|Years:||1671 1672 1673 – 1674 – 1675 1676 1677|
|1674 by topic:|
|Arts and Science|
|Architecture - Art - Literature - Music - Science|
|Lists of leaders|
|Colonial governors - State leaders|
|Birth and death categories|
|Births - Deaths|
|Establishments and disestablishments categories|
|Establishments - Disestablishments|
|Ab urbe condita||2427|
|English Regnal year||25 Cha. 2 – 26 Cha. 2|
|Chinese calendar||癸丑年 (Water Ox)
4370 or 4310
— to —
甲寅年 (Wood Tiger)
4371 or 4311
|- Vikram Samvat||1730–1731|
|- Shaka Samvat||1596–1597|
|- Kali Yuga||4775–4776|
|Japanese calendar||Enpō 2
|Julian calendar||Gregorian minus 10 days|
|Minguo calendar||238 before ROC
|Thai solar calendar||2216–2217|
|Wikimedia Commons has media related to 1674.|
1674 (MDCLXXIV) was a common year starting on Monday (dominical letter G) of the Gregorian calendar and a common year starting on Thursday (dominical letter D) 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. Note that the Julian day for 1674 is 10 calendar days difference, which continued to be used from 1582 until the complete conversion of the Gregorian calendar was entirely done in 1929.
- February 19 – England and the Netherlands sign the Treaty of Westminster, ending the Third Anglo-Dutch War. Its provisions come into effect gradually – see November 10.
- May 21 – John III Sobieski is elected by the nobility as King of the Polish–Lithuanian Commonwealth (to 1696).
- June 6 – Shivaji is crowned as Chatrapati Shivaji at Raigad Fort in India.
- August 11 – Battle of Seneffe: The French army under Louis II de Bourbon, Prince de Condé defeats the Dutch–Spanish–Austrian army under William III of Orange.
- November 10 – As provided in the Treaty of Westminster of February 19, the Dutch Republic cedes its colony of New Netherland to England. This includes the colonial capital, New Orange, which is returned to its English name of New York. The colonies of Surinam, Essequibo and Berbice remain in Dutch hands.
- December 4 – Father Jacques Marquette founds a mission on the shores of Lake Michigan to minister to the Illinois Confederation (which will in time grow into the city of Chicago).
- The British East India Company arranges a trading treaty with the Maratha Empire that has recently been founded by Shivaji Bhonsle in central India.
- The first Dutch West India Company is dissolved.
- Two skeletons of children are discovered at the White Tower (Tower of London) and believed at this time to be the remains of the Princes in the Tower.
- January 15 – Prosper Jolyot de Crébillon, French writer (d. 1762)
- January 24 – Thomas Tanner, English bishop and antiquarian (d. 1735)
- March – Jethro Tull, English agriculturist (d. 1741)
- June 3 – Matthias Buchinger, German artist (d. 1740)
- July 12 – Abigail Williams, American accuser in the Salem witch trials (d. 1765)
- July 17 – Isaac Watts, English hymnist (d. 1748)
- August 2 – Philippe II, Duke of Orléans, regent of France (d. 1723)
- August 9 – František Maxmilián Kaňka, Czech architect (d. 1766)
- December 25 – Thomas Halyburton, Scottish theologian (d. 1712)
- date unknown – Ki-Khosrow, Persian Governor of Kandahar (d. 1711)
- January 12 – Giacomo Carissimi Italian composer (b. 1605)
- February 22 – Jean Chapelain, French writer (b. 1595)
- February 24 – Matthias Weckmann, German composer (b. 1616)
- March 8 – Charles Sorel, sieur de Souvigny, French writer (b. 1597)
- June 14 – Marin le Roy de Gomberville, French writer (b. 1600)
- July 2 – Eberhard III, Duke of Württemberg (b. 1614)
- August 12 – Philippe de Champaigne, French painter (b. 1602)
- October 10 – Thomas Traherne, English poet (b. c. 1637)
- October 15 – Robert Herrick, English poet (b. 1591)
- October 22 – Gerbrand van den Eeckhout, Dutch painter (b. 1621)
- October 27 – Hallgrímur Pétursson, Icelandic poet (b. 1614)
- November 8 – John Milton, English Puritan poet noted for Paradise Lost and other works including Lycidas; On His Blindness; L’Allegro; On The Late Massacre In Piedmont; Paradise Regained (b. 1608)
- December 9 – Edward Hyde, 1st Earl of Clarendon, English statesman and historian (b. 1609)
- Unknown – Hu Zhengyan, Chinese artist, printmaker, calligrapher and publisher (b. c. 1584)