January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
January 30 » The first Anglo-Japanese Alliance is signed in London.
February 27 » Second Boer War: Australian soldiers Harry "Breaker" Morant and Peter Handcock are executed in Pretoria after being convicted of war crimes.
March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
May 31 » Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
Day of marriage January 20, 1931
The temperature on January 20, 1931 was between 2.2 °C and 7.2 °C and averaged 4.3 °C. There was 0.4 mm of rain during 0.3 hours. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 13 » The British Raj completes its transfer from Calcutta to New Delhi.
March 15 » SSViking explodes off Newfoundland, killing 27 of the 147 on board.
June 23 » Wiley Post and Harold Gatty take off from Roosevelt Field, Long Island in an attempt to circumnavigate the world in a single-engine plane.
October 1 » The George Washington Bridge in the United States, linking New Jersey and New York, is opened.
November 7 » The Chinese Soviet Republic is proclaimed on the anniversary of the October Revolution.
December 5 » Cathedral of Christ the Saviour in Moscow was destroyed on orders from Joseph Stalin.
Day of death September 15, 1969
The temperature on September 15, 1969 was between 13.8 °C and 23.3 °C and averaged 18.3 °C. There was 1.5 hours of sunshine (12%). The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the north. Source: KNMI
April 15 » The EC-121 shootdown incident: North Korea shoots down a United States Navy aircraft over the Sea of Japan, killing all 31 on board.
April 17 » Sirhan Sirhan is convicted of assassinating Robert F. Kennedy.
May 17 » Venera program: Soviet Venera 6 begins its descent into the atmosphere of Venus, sending back atmospheric data before being crushed by pressure.
July 25 » Vietnam War: U.S. President Richard Nixon declares the Nixon Doctrine, stating that the United States now expects its Asian allies to take care of their own military defense. This is the start of the "Vietnamization" of the war.
September 1 » Trần Thiện Khiêm becomes Prime Minister of South Vietnam under President Nguyễn Văn Thiệu.
September 26 » Abbey Road, the last recorded album by The Beatles, is released.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I70095.php : accessed February 20, 2026), "Arnoldina Johanna Maria Knaapen (1902-1969)".
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