1670s

The 1670s was a decade that began on 1 January 1670 and ended on 31 December 1679. It is distinct from the decade known as the 168th decade which began on January 1, 1671 and ended on December 31, 1680.

 Events 
The Franco-Dutch War
Father Jacques Marquette continues to explore the Great Lakes and the Mississippi River.  Other Frenchmen explore North America.
The Quakers come to America from England.
 Newton and Leibniz independently discover calculus.
 Popish Plot started by Titus Oates. Oates' aim is to kill King Charles II. Plot fails and ends in 1681.

 Deaths 
John Milton, British poet

 World leaders 
King Frederick III of Denmark (1648–1670).
King Christian V of Denmark (1670–1699).
King  Charles II of England and Scotland (1660–1685).
King Louis XIV of France (1643–1715).
Leopold I, Holy Roman Emperor (1658–1705).
King Michael Korybut Wisniowiecki of the Polish-Lithuanian Commonwealth (1669–1673).
King John III of Poland (1674–1696).
King Peter II of Portugal (1667–1706).
Tsar Aleksey I of Russia (1645–1676)
Tsar Feodor III of Russia (1676–1682).
King Charles II of Spain (1665–1700).
King Charles XI of Sweden (1660–1697).