February 9 » The Davis Cup competition is established.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
July 9 » The Governor of Shanxi province in North China orders the execution of 45 foreign Christian missionaries and local church members, including children.
September 13 » Filipino insurgents defeat a small American column in the Battle of Pulang Lupa, during the Philippine–American War.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of death October 10, 1961
The temperature on October 10, 1961 was between 11.2 °C and 21.2 °C and averaged 15.4 °C. There was 7.2 hours of sunshine (65%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
March 1 » Uganda becomes self-governing and holds its first elections.
March 30 » The Single Convention on Narcotic Drugs is signed in New York City.
April 12 » Cold War: Space Race: The Soviet cosmonaut Yuri Gagarin becomes the first human to travel into outer space and perform the first manned orbital flight, Vostok 1.
April 25 » Robert Noyce is granted a patent for an integrated circuit.
May 9 » FCC Chairman Newton N. Minow gives his Wasteland Speech.
August 11 » The former Portuguese territories in India of Dadra and Nagar Haveli are merged to create the Union Territory Dadra and Nagar Haveli.
When copying data from this family tree, please include a reference to the origin: Leen Schaap, "Database Schaap", database, Genealogy Online (https://www.genealogieonline.nl/database-schaap/I9578.php : accessed October 10, 2026), "Johanna Cornelia Meijers (1900-1961)".
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