April 15 » Philippine–American War: Filipino guerrillas launch a surprise attack on U.S. infantry and begin a four-day siege of Catubig, Philippines.
May 17 » The children's novel The Wonderful Wizard of Oz, by L. Frank Baum, is first published in the United States. The first copy is given to the author's sister.
June 14 » Hawaii becomes a United States territory.
July 27 » Kaiser Wilhelm II makes a speech comparing Germans to Huns; for years afterwards, "Hun" would be a disparaging name for Germans.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
October 9 » The Cook Islands become a territory of the United Kingdom.
Day of marriage April 21, 1921
The temperature on April 21, 1921 was between 2.5 °C and 11.2 °C and averaged 6.7 °C. There was 0.6 mm of rain. There was 2.5 hours of sunshine (18%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
March 17 » The Second Polish Republic adopts the March Constitution.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
October 21 » President Warren G. Harding delivers the first speech by a sitting U.S. President against lynching in the deep South.
October 29 » United States: Second trial of Sacco and Vanzetti in Boston, Massachusetts.
Day of death July 17, 1981
The temperature on July 17, 1981 was between 9.3 °C and 17.7 °C and averaged 14.2 °C. There was 0.1 mm of rain during 0.1 hours. There was 11.7 hours of sunshine (72%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
April 26 » Dr. Michael R. Harrison of the University of California, San Francisco Medical Center performs the world's first human open fetal surgery.
June 25 » Microsoft is restructured to become an incorporated business in its home state of Washington.
June 27 » The Central Committee of the Communist Party of China issues its "Resolution on Certain Questions in the History of Our Party Since the Founding of the People's Republic of China", laying the blame for the Cultural Revolution on Mao Zedong.
September 21 » Belize is granted full independence from the United Kingdom.
October 6 » Egyptian President Anwar Sadat is murdered by Islamic extremists.
October 27 » Cold War: The Soviet submarine S-363 runs aground on the east coast of Sweden.
When copying data from this family tree, please include a reference to the origin: Brian K. Stephenson , "Stephenson Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/stephenson-family-tree/I117.php : accessed May 5, 2025), "Robert Franklin Arnold (1900-1981)".
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