Laurence J. Peter, Canadian-American hierarchiologist and educator (d. 1990)
Laurence Johnston Peter (September 16, 1919 – January 12, 1990) was a Canadian educator and "hierarchiologist" who is best known to the general public for the formulation of the Peter principle.
1919 Sep, 16
Laurence J. Peter
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Events on 1919
- 5 Jan
Nazi Party
The German Workers' Party, which would become the Nazi Party, is founded. - 23 Mar
Italian Fascism
In Milan, Italy, Benito Mussolini founds his Fascist political movement. - 4 May
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. - 19 May
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. - 29 May
General relativity
Albert Einstein's theory of general relativity is tested (later confirmed) by Arthur Eddington and Andrew Claude de la Cherois Crommelin.

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