February 27 » Second Boer War: Australian soldiers Harry "Breaker" Morant and Peter Handcock are executed in Pretoria after being convicted of war crimes.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
April 2 » Dmitry Sipyagin, Minister of Interior of the Russian Empire, is assassinated in the Marie Palace, Saint Petersburg.
April 18 » The 7.5 Mw Guatemala earthquake shakes Guatemala with a maximum Mercalli intensity of VIII (Severe), killing between 800–2,000.
April 20 » Pierre and Marie Curie refine radium chloride.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
Day of marriage April 15, 1922
The temperature on April 15, 1922 was between 9.9 °C and 19.1 °C and averaged 15.0 °C. There was 1.9 mm of rain. There was 6.1 hours of sunshine (44%). The average windspeed was 4 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.
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
April 24 » The first segment of the Imperial Wireless Chain providing wireless telegraphy between Leafield in Oxfordshire, England, and Cairo, Egypt, comes into operation.
May 19 » The Young Pioneer Organization of the Soviet Union is established.
June 16 » General election in the Irish Free State: The pro-Treaty Sinn Féin party wins a large majority.
June 24 » The American Professional Football Association is renamed the National Football League.
July 11 » The Hollywood Bowl opens.
August 26 » Greco-Turkish War (1919–22): Turkish army launched what has come to be known to the Turks as the "Great Offensive" (Büyük Taarruz). The major Greek defense positions were overrun.
Day of death March 23, 1963
The temperature on March 23, 1963 was between -2.3 °C and 5.1 °C and averaged 1.5 °C. There was 0.5 mm of rain during 0.2 hours. There was 1.6 hours of sunshine (13%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north. Source: KNMI
March 21 » Alcatraz Federal Penitentiary (in California) closes.
May 3 » The police force in Birmingham, Alabama switches tactics and responds with violent force to stop the "Birmingham campaign" protesters. Images of the violent suppression are transmitted worldwide, bringing new-found attention to the civil rights movement.
July 26 » Syncom 2, the world's first geosynchronous satellite, is launched from Cape Canaveral on a Delta B booster.
August 8 » Great Train Robbery: In England, a gang of 15 train robbers steal £2.6million in bank notes.
November 25 » President John F. Kennedy is buried at Arlington National Cemetery in Arlington County, Virginia, across the Potomac River from Washington, D.C.; his assassin, Lee Harvey Oswald, is buried on the same day in Fort Worth, Texas.
December 10 » An assassination attempt on the British High Commissioner in Aden kills two people and wounds dozens more.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I80327.php : accessed February 17, 2026), "Adriana Dokter (1902-1963)".
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