The temperature on March 21, 1911 was between 0.7 °C and 14.3 °C and averaged 7.1 °C. There was 1.4 mm of rain. There was 2.4 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage October 14, 1936
The temperature on October 14, 1936 was between 5.8 °C and 13.0 °C and averaged 10.0 °C. There was 0.1 mm of rain during 0.3 hours. There was 1.7 hours of sunshine (16%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
February 10 » Second Italo-Abyssinian War: Italian troops launched the Battle of Amba Aradam against Ethiopian defenders.
April 15 » First day of the Arab revolt in Mandatory Palestine.
July 26 » King Edward VIII, in one of his few official duties before he abdicates the throne, officially unveils the Canadian National Vimy Memorial.
August 9 » Summer Olympic Games: Games of the XI Olympiad: Jesse Owens wins his fourth gold medal at the games.
October 1 » Spanish Civil War: The Central Committee of Antifascist Militias of Catalonia dissolves itself, handing control of Catalan defence militias over to the Generalitat.
December 11 » Abdication Crisis: Edward VIII's abdication as King of the United Kingdom and the British Dominions beyond the Seas, and Emperor of India, becomes effective.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3491.php : accessed March 8, 2026), "Theodora Siepkes (1911-)".
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