20 June 2021: This day in history

451: Battle of the Catalaunian Plains: Roman and Visigoths forces defeat Attila the Hun in north east France

1214: The University of Oxford receives its charter

1789: French Revolution: The Third Estate of the French Estates-General swears the Tennis Court Oath at the Palace of Versailles, swearing not to disband until a new constitution is formed

1840: Samuel Morse patents his telegraph

1895: 1st female PhD from an American University, earned by Caroline Willard Baldwin (in Science) at Cornell University

2020: Highest-ever temperature recorded in the Arctic circle, 38C (100F) in Verkhoyansk, Siberia


Source: Onthisday.com

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