Events

• March 14 - Thirty Years War: Bavaria, Cologne, France and Sweden sign the Truce of Ulm.
• August 8 - The battle of Dungans Hill, Irish forces are defeated by British Parliamentary forces.
• August - Peter Stuyvesant appointed Director of New Amsterdam by the Dutch West India Company.
• Johann von Werth tried to take his troops over the Austrian border, but they refused.

Events of the English Civil War

• Castle of Aberystwyth razed to the ground by Parliamentarian troops
• August: Army marches to London
• December 28, Charles promises church reform. This agreement led to the Second English Civil War

Ongoing events

• English Civil War (1642-1649)

Births

• April 1 - John Wilmot, 2nd Earl of Rochester, English poet (d. 1680)
• August 22 - Denis Papin, inventor of the piston steam engine
• November 18 - Pierre Bayle, French philosopher (d. 1706)
• Henry Aldrich, English theologian and philosopher

Deaths

• May 21 - Pieter Corneliszoon Hooft, Dutch poet and historian
• October 25 - Evangelista Torricelli
• Bonaventura Cavalieri, mathematician