January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
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.
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.
July 17 » Willis Carrier creates the first air conditioner in Buffalo, New York.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
Day of marriage May 20, 1931
The temperature on May 20, 1931 was between 7.6 °C and 11.8 °C and averaged 9.2 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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 3 » The United States adopts The Star-Spangled Banner as its national anthem.
April 14 » The Spanish Cortes deposes King Alfonso XIII and proclaims the Second Spanish Republic.
May 7 » The stand-off between criminal Francis Crowley and 300 members of the New York Police Department takes place in his fifth-floor apartment on West 91st Street, New York City.
August 24 » France and the Soviet Union sign a neutrality pact.
August 24 » Resignation of the United Kingdom's Second Labour Government. Formation of the UK National Government.
Day of death December 6, 1969
The temperature on December 6, 1969 was between -5.4 °C and 1.0 °C and averaged -1.1 °C. There was 0.2 mm of rain. There was 2.4 hours of sunshine (30%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
May 9 » Carlos Lamarca leads the first urban guerrilla action against the military dictatorship of Brazil in São Paulo, by robbing two banks.
June 28 » Stonewall riots begin in New York City, marking the start of the Gay Rights Movement.
August 17 » Category 5 Hurricane Camille hits the U.S. Gulf Coast, killing 256 and causing $1.42 billion in damage.
October 29 » The first-ever computer-to-computer link is established on ARPANET, the precursor to the Internet.
November 17 » Cold War: Negotiators from the Soviet Union and the United States meet in Helsinki, Finland to begin SALT I negotiations aimed at limiting the number of strategic weapons on both sides.
December 17 » Project Blue Book: The United States Air Force closes its study of UFOs.
When copying data from this family tree, please include a reference to the origin: Hildo Onstenk, "Family tree Onstenk", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-onstenk/I2212.php : accessed June 23, 2024), "Alida Groen (1902-1969)".
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