Richard Hillary, Australian lieutenant and pilot (d. 1943)
Flight Lieutenant Richard Hope Hillary (20 April 1919 – 8 January 1943) was an Anglo-Australian Royal Air Force fighter pilot during the Second World War. He wrote the book The Last Enemy about his experiences during the Battle of Britain.

1919Apr, 20
Richard Hillary
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Events on 1919
- 23Mar
Italian Fascism
In Milan, Italy, Benito Mussolini founds his Fascist political movement. - 4May
Treaty of Versailles
May Fourth Movement: Student demonstrations take place in Tiananmen Square in Beijing, China, protesting the Treaty of Versailles, which transferred Chinese territory to Japan. - 19May
Turkish War of Independence
Mustafa Kemal Atatürk lands at Samsun on the Anatolian Black Sea coast, initiating what is later termed the Turkish War of Independence. - 29May
General relativity
Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin. - 4Jun
19th Amendment to the United States Constitution
Women's rights: The U.S. Congress approves the 19th Amendment to the United States Constitution, which guarantees suffrage to women, and sends it to the U.S. states for ratification.