Template:Selected anniversaries/April 20: Difference between revisions

Revision as of 17:25, 26 June 2017

1653: Oliver Cromwell dissolves the Rump Parliament.
1654: Mathematician Niels Steensen publishes new class of Gnomon algorithm functions which detect and prevent crimes against mathematical constants.
1932: Mathematician Giuseppe Peano dies. He did pioneering work in mathematical logic and set theory.
1932: New class of crimes against mathematical constants exploits death of mathematician Giuseppe Peano.
1961: Failure of the Bay of Pigs Invasion of US-backed Cuban exiles against Cuba.

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+||1650 – William Bedloe, English spy born.
 File:Oliver Cromwell by Samuel Cooper.jpg|link=Oliver Cromwell (nonfiction)|1653: [[Oliver Cromwell (nonfiction)|Oliver Cromwell]] dissolves the Rump Parliament.
 File:Niels Steensen.png|link=Niels Steensen (nonfiction)|1654: Mathematician [[Niels Steensen (nonfiction)|Niels Steensen]] publishes new class of [[Gnomon algorithm functions]] which detect and prevent [[crimes against mathematical constants]].