Births on May 29

Humphry Ditton, English mathematician and philosopher (d. 1715)

Humphry Ditton (29 May 1675 – 15 October 1715) was an English mathematician. He was the author of several influential works.

4 May

Royal Greenwich Observatory
King Charles II of England orders the construction of the Royal Greenwich Observatory.
11 Aug

Battle of Konzer Brücke
Franco-Dutch War: Forces of the Holy Roman Empire defeat the French in the Battle of Konzer Brücke.
2 Nov

King Philip's War
Plymouth Colony governor Josiah Winslow leads a colonial militia against the Narragansett during King Philip's War.
11 Nov

Integral calculus
Gottfried Leibniz demonstrates integral calculus for the first time to find the area under the graph of y = ƒ(x).