Births on February 25

Maria Margarethe Kirch

Born on February 25, 1670

Maria Margarethe Kirch, German astronomer and mathematician (d. 1720)

Maria Margaretha Kirch (née Winckelmann, in historic sources named Maria Margaretha Kirchin; 25 February 1670 – 29 December 1720) was a German astronomer. She was one of the first famous astronomers of her period due to her writing on the conjunction of the sun with Saturn, Venus, and Jupiter in 1709 and 1712 respectively.

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Maria Margarethe Kirch

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Events on 1670

2 May

Hudson's Bay Company
King Charles II of England grants a permanent charter to the Hudson's Bay Company to open up the fur trade in North America.
1 Jun

Secret Treaty of Dover
In Dover, England, Charles II of England and Louis XIV of France sign the Secret Treaty of Dover, which will force England into the Third Anglo-Dutch War.