Births on February 18

Marie Champmeslé, French actress (d. 1698)

Marie Champmeslé (née Desmares; 18 February 1642 – 15 May 1698) was a French stage actress.

4 Jan

Five Members
King Charles I of England attempts to arrest Five Members of Parliament, commencing England's slide into civil war.
15 Apr

Battle of Kilrush
Irish Confederate Wars: A Confederate Irish militia is routed in the Battle of Kilrush when it attempts to halt the progress of a Royalist Army.
13 Nov

Battle of Turnham Green
First English Civil War: Battle of Turnham Green: The Royalist forces withdraw in the face of the Parliamentarian army and fail to take London.
24 Nov

Van Diemen's Land
Abel Tasman becomes the first European to discover the island Van Diemen's Land (later renamed Tasmania).