January 23 » Second Boer War: The Battle of Spion Kop between the forces of the South African Republic and the Orange Free State and British forces ends in a British defeat.
February 6 » The Permanent Court of Arbitration, an international arbitration court at The Hague, is created when the Senate of the Netherlands ratifies an 1899 peace conference decree.
March 7 » The German liner SSKaiser Wilhelm der Grosse becomes the first ship to send wireless signals to shore.
October 9 » The Cook Islands become a territory of the United Kingdom.
October 19 » Max Planck discovers Planck's law of black-body radiation.
November 7 » Second Boer War: Battle of Leliefontein, a battle during which the Royal Canadian Dragoons win three Victoria Crosses.
Day of marriage June 24, 1922
The temperature on June 24, 1922 was between 12.0 °C and 18.2 °C and averaged 14.7 °C. There was 2.4 hours of sunshine (14%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-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.
June 17 » Portuguese naval aviators Gago Coutinho and Sacadura Cabral complete the first aerial crossing of the South Atlantic.
July 9 » Johnny Weissmuller swims the 100 meters freestyle in 58.6 seconds breaking the world swimming record and the 'minute barrier'.
August 27 » Greco-Turkish War: The Turkish army takes the Aegean city of Afyonkarahisar from the Kingdom of Greece.
September 13 » The final act of the Greco-Turkish War, the Great Fire of Smyrna, commences.
October 29 » King Victor Emmanuel III of Italy appoints Benito Mussolini as Prime Minister.
November 21 » Rebecca Latimer Felton of Georgia takes the oath of office, becoming the first female United States Senator.
Day of death March 29, 1971
The temperature on March 29, 1971 was between -2.1 °C and 11.4 °C and averaged 4.9 °C. There was 10.8 hours of sunshine (85%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 31 » The Winter Soldier Investigation, organized by the Vietnam Veterans Against the War to publicize war crimes and atrocities by Americans and allies in Vietnam, begins in Detroit.
February 2 » Idi Amin replaces President Milton Obote as leader of Uganda.
October 1 » Walt Disney World opens near Orlando, Florida.
November 12 » Vietnam War: As part of Vietnamization, US President Richard Nixon sets February 1, 1972 as the deadline for the removal of another 45,000 American troops from Vietnam.
November 15 » Intel releases the world's first commercial single-chip microprocessor, the 4004.
December 1 » Cambodian Civil War: Khmer Rouge rebels intensify assaults on Cambodian government positions, forcing their retreat from Kompong Thmar and nearby Ba Ray.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I187952.php : accessed October 10, 2026), "Wiepkje Wybenga (1900-1971)".
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