1611 First known performance of Shakespeare’s tragedy Macbeth at the Globe Theatre, London
1715 Nicholas Rowe’s play “The Tragedy of Lady Jane Grey” premieres in London
1736 French mathematician Pierre Louis Maupertuis begins his expedition to Lapland to measure a degree of latitude and prove the shape of the earth, he is joined by fellow scientists Anders Celsius, Charles Etienne Louis Camus, Alexis Claude Clairaut, and Pierre-Charles Le Monnier
1862 The first pasteurization test is completed by Frenchmen Louis Pasteur and Claude Bernard.
1940 1st electron microscope demonstrated
2010 Deepwater Horizon drilling rig explosion kills 11 and causes rig to sink, initiating a massive oil discharge in the Gulf of Mexico.
By: Archa Dave
History of April 20
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