January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
March 14 » The Gold Standard Act is ratified, placing the United States currency on the gold standard.
May 17 » Second Boer War: British troops relieve Mafeking.
June 5 » Second Boer War: British soldiers take Pretoria.
June 18 » Empress Dowager Cixi of China orders all foreigners killed, including foreign diplomats and their families.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage August 4, 1921
The temperature on August 4, 1921 was between 10.2 °C and 20.9 °C and averaged 15.3 °C. There was 6.2 mm of rain. There was 6.3 hours of sunshine (41%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
January 20 » The British K-class submarine HMS K5 sinks in the English Channel; all 56 on board die.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
September 5 » Roscoe "Fatty" Arbuckle party in San Francisco ends with the death of the young actress Virginia Rappe: One of the first scandals of the Hollywood community.
October 8 » KDKA in Pittsburgh's Forbes Field conducts the first live broadcast of a football game.
October 13 » Soviet republics sign the Treaty of Kars to formalize the borders between Turkey and the South Caucasus states.
Day of death August 8, 1970
The temperature on August 8, 1970 was between 14.8 °C and 18.1 °C and averaged 16.2 °C. There was 11.2 mm of rain during 5.7 hours. There was 0.9 hours of sunshine (6%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 1 » The defined beginning of Unix time, at 00:00:00.
April 15 » During the Cambodian Civil War, massacre of the Vietnamese minority results in 800 bodies flowing down the Mekong river into South Vietnam.
August 15 » Patricia Palinkas becomes the first woman to play professionally in an American football game.
September 12 » Dawson's Field hijackings: Palestinian terrorists blow up three hijacked airliners in Jordan, continuing to hold the passengers hostage in various undisclosed locations in Amman.
October 2 » An aircraft carrying the Wichita State University football team, administrators, and supporters crashes in Colorado, killing 31 people.
November 4 » Salvador Allende takes office as President of Chile, the first Marxist to become president of a Latin American country through open elections.
When copying data from this family tree, please include a reference to the origin: H.F. Brons, "Family tree Brons", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-brons/I7706.php : accessed January 29, 2026), "Roelfina Johanna Margrietha Kerstholt (1900-1970)".
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