1643
| Years: 1640 1641 1642 - 1643 - 1644 1645 1646 | |
| Decades: 1610s 1620s 1630s - 1640s - 1650s 1660s 1670s | |
| Centuries: 16th century - 17th century - 18th century 1643 in literature 1643 in science | |
Events
- January 21 - Abel Tasman discovers Tonga
- May 14 - Four year-old Louis XIV becomes King of France upon the death of his father, Louis XIII.
- May 19 - Battle of Rocroi: French victory over the Spanish at Rocroi, France.
- July 13 - English Civil War: Battle of Roundway Down - In England, Lord Henry Wilmot, Earl of Rochester, commanding the Royalist forces, wins a crushing victory over the Parliamentarian Sir William Waller.
- Austro-Bavarian army defeats French at Duttlingen.
- The Royalist forces supporting Charles I in the English Civil War win the Battle of Adwalton Moor and gain control of Yorkshire.
- End of the reign of Empress Meisho of Japan
- Emperor Go-Komyo ascends to the throne of Japan
- Evangelista Torricelli invents the mercury barometer
- New England Confederation is formed
- Battle of Tüttlingen fought
- Baden-Baden pillaged by the French
- John Colgan published the first two volumes of the Acta Sanctorum
- Paul Chomedey de Maisonneuve places the first cross atop Mount Royal
- Åmål is granted its city charter
- Miyamoto Musashi dictates The Book of Five Rings (Go Rin No Sho) to his student, completing it in 1654 just before his death
- Hong Taiji , Emperor of the Qing Dynasty of the Manchu dies and is succeeded by his five year-old son, the later Shunzhi Emperor of China.
Ongoing events
Births
- August 21 - Future King Alphonso VI of Portugal.
- Future Ottoman sultan Ahmed II
Deaths
- March 1 - Girolamo Frescobaldi, Italian keyboard composer (b. 1583)
- May 14 - Louis XIII of France
- November 29, Claudio Monteverdi, Italian composer
- Herman Wrangel, Swedish soldier and politician
- Hong Taiji , Emperor of the Qing Dynasty of the Manchu
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