April 25 » The Chongzhen Emperor, the last Emperor of Ming dynasty China, commits suicide during a peasant rebellion led by Li Zicheng.
May 27 » Manchu regent Dorgon defeats rebel leader Li Zicheng of the Shun dynasty at the Battle of Shanhai Pass, allowing the Manchus to enter and conquer the capital city of Beijing.
June 5 » The Qing dynasty Manchu forces led by the Shunzhi Emperor take Beijing during the collapse of the Ming dynasty.
July 2 » English Civil War: Battle of Marston Moor.
September 1 » Battle of Tippermuir: James Graham, 1st Marquess of Montrose defeats the Earl of Wemyss's Covenanters, reviving the Royalist cause.
October 27 » Second Battle of Newbury in the English Civil War.
January 26 » The 8.7–9.2 Mw Cascadia earthquake takes place off the west coast of North America, as evidenced by Japanese records.
February 27 » The island of New Britain is discovered by Europeans.
February 28 » Today is followed by March 1 in Sweden, thus creating the Swedish calendar.
March 1 » Sweden introduces its own Swedish calendar, in an attempt to gradually merge into the Gregorian calendar, reverts to the Julian calendar on this date in 1712, and introduces the Gregorian calendar on this date in 1753.
When copying data from this family tree, please include a reference to the origin: Gary Kelley, "Kelley Tree", database, Genealogy Online (https://www.genealogieonline.nl/kelley-tree/P1021.php : accessed January 24, 2026), "Mary Hitchcock (1638-1700)".
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