Jan 25 William Cavendish, 1st Duke of Devonshire, English soldier and statesman (d. 1707) was born in the year 1640.
Mar 18 Philippe de la Hire, French mathematician and astronomer (d. 1719) was born on this day in history.
Mar 30 On this day in history birth of john Trenchard, English politician (d. 1695)
Apr 01 On this day in history birth of georg Mohr, Danish mathematician (d. 1697)
Apr 22 In the year 1640 birth of mariana Alcoforado, Portugal, nun
May 31 In the year 1640 birth of michał Wiśniowiecki, King of Poland (d. 1673)
Jun 05 On this day in history birth of pu Songling, Chinese writer (d. 1715)
Jun 09 Leopold I, Holy Roman Emperor (1658-1705) was born on this day in history.