January 22 » The United Mine Workers of America is founded in Columbus, Ohio.
April 7 » Completion of the first Lake Biwa Canal.
June 1 » The United States Census Bureau begins using Herman Hollerith's tabulating machine to count census returns.
September 25 » The United States Congress establishes Sequoia National Park.
November 4 » City and South London Railway: London's first deep-level tube railway opens between King William Street and Stockwell.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
Day of marriage February 20, 1915
The temperature on February 20, 1915 was between -0.5 °C and 9.7 °C and averaged 4.5 °C. There was 1.7 mm of rain. There was 0.9 hours of sunshine (9%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
July 7 » Colombo Town Guard officer Henry Pedris is executed in British Ceylon for allegedly inciting persecution of Muslims.
July 16 » Henry James becomes a British citizen to highlight his commitment to Britain during the first World War.
August 17 » A Category 4 hurricane hits Galveston, Texas with winds at 135 miles per hour (217km/h).
August 27 » Attempted assassination of Bishop Patrick Heffron, bishop of the Diocese of Winona by Rev. Louis M. Lesches.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of death April 1, 1952
The temperature on April 1, 1952 was between -2.5 °C and 7.2 °C and averaged 1.8 °C. There was 0.1 mm of rain. There was 8.3 hours of sunshine (64%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
January 26 » Black Saturday in Egypt: rioters burn Cairo's central business district, targeting British and upper-class Egyptian businesses.
February 20 » Emmett Ashford becomes the first African-American umpire in organized baseball by being authorized to be a substitute umpire in the Southwestern International League.
July 23 » General Muhammad Naguib leads the Free Officers Movement (formed by Gamal Abdel Nasser, the real power behind the coup) in overthrowing King Farouk of Egypt.
October 3 » The United Kingdom successfully tests a nuclear weapon to become the world's third nuclear power.
November 19 » Greek Field Marshal Alexander Papagos becomes the 152nd Prime Minister of Greece.
November 29 » Korean War: U.S. President-elect Dwight D. Eisenhower fulfills a campaign promise by traveling to Korea to find out what can be done to end the conflict.
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/I2794.php : accessed December 27, 2025), "Egberdina Bouwina Aldershof (1890-1952)".
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