March 1 » Henri Becquerel discovers radioactive decay.
April 6 » In Athens, the opening of the first modern Olympic Games is celebrated, 1,500 years after the original games are banned by Roman emperor Theodosius I.
May 18 » Khodynka Tragedy: A mass panic on Khodynka Field in Moscow during the festivities of the coronation of Russian Tsar Nicholas II results in the deaths of 1,389 people.
August 17 » Bridget Driscoll became the first recorded case of a pedestrian killed in a collision with a motor car in the United Kingdom.
August 27 » Anglo-Zanzibar War: The shortest war in world history (09:02 to 09:40), between the United Kingdom and Zanzibar.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
Day of marriage April 8, 1920
The temperature on April 8, 1920 was between 7.6 °C and 12.5 °C and averaged 10.1 °C. There was 5.9 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. 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.
March 12 » The Kapp Putsch begins when the Marinebrigade Ehrhardt is ordered to march on Berlin.
March 19 » The United States Senate rejects the Treaty of Versailles for the second time (the first time was on November 19, 1919).
May 5 » Authorities arrest Nicola Sacco and Bartolomeo Vanzetti for alleged robbery and murder.
May 16 » In Rome, Pope Benedict XV canonizes Joan of Arc.
November 15 » First assembly of the League of Nations is held in Geneva, Switzerland.
December 19 » King Constantine I is restored as King of the Hellenes after the death of his son Alexander of Greece and a plebiscite.
Day of death April 13, 1964
The temperature on April 13, 1964 was between 6.2 °C and 11.6 °C and averaged 8.9 °C. There was 1.4 mm of rain during 1.1 hours. There was 0.6 hours of sunshine (4%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
August 16 » Vietnam War: A coup d'état replaces Dương Văn Minh with General Nguyễn Khánh as President of South Vietnam. A new constitution is established with aid from the U.S. Embassy.
October 14 » The Soviet Presidium and the Communist Party Central Committee each vote to accept Nikita Khrushchev's "voluntary" request to retire from his offices.
October 16 » Leonid Brezhnev becomes leader of the Soviet Communist Party, while Alexei Kosygin becomes the head of government.
October 22 » An all-party Parliamentary Committee selects the design which will become the new official flag of Canada.
December 4 » Free Speech Movement: Police arrest over 800 students at the University of California, Berkeley, following their takeover and sit-in at the administration building in protest of the UC Regents' decision to forbid protests on UC property.
December 14 » American Civil Rights Movement: Heart of Atlanta Motel v. United States: The Supreme Court of the United States rules that Congress can use the Constitution's Commerce Clause to fight discrimination.
When copying data from this family tree, please include a reference to the origin: P. Senden, "Family tree Senden", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-senden/I693.php : accessed January 19, 2026), "Gertrud/Senden Zenden (1896-1964)".
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