April 22 » Spanish–American War: The USSNashville captures a Spanish merchant ship.
June 11 » The Hundred Days' Reform, a planned movement to reform social, political, and educational institutions in China, is started by the Guangxu Emperor, but is suspended by Empress Dowager Cixi after 104 days. (The failed reform led to the abolition of the Imperial examination in 1905.)
August 13 » Spanish–American War: Spanish and American forces engage in a mock battle for Manila, after which the Spanish commander surrendered in order to keep the city out of Filipino rebel hands.
August 29 » The Goodyear tire company is founded.
October 6 » Phi Mu Alpha Sinfonia, the largest American music fraternity, is founded at the New England Conservatory of Music.
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
Day of marriage August 20, 1931
The temperature on August 20, 1931 was between 12.5 °C and 20.1 °C and averaged 15.7 °C. There was 10.1 hours of sunshine (70%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. 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.
January 21 » Sir Isaac Isaacs is sworn in as the first Australian-born Governor-General of Australia.
March 19 » Gambling is legalized in Nevada.
July 1 » Wiley Post and Harold Gatty become the first people to circumnavigate the globe in a single-engined monoplane aircraft.
September 30 » Start of "Die Voortrekkers" youth movement for Afrikaners in Bloemfontein, South Africa.
November 22 » Al-Mina'a SC is founded in Iraq.
December 11 » Statute of Westminster 1931: The British Parliament establishes legislative equality between the UK and the Dominions of the Commonwealth—Australia, Canada, Newfoundland, New Zealand, South Africa, and Ireland.
Day of death January 12, 1966
The temperature on January 12, 1966 was between -5.0 °C and -0.7 °C and averaged -2.4 °C. There was 0.2 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 17 » Palomares incident: A B-52 bomber collides with a KC-135 Stratotanker over Spain, killing seven airmen, and dropping three 70-kiloton nuclear bombs near the town of Palomares and another one into the sea.
March 10 » Military Prime Minister of South Vietnam Nguyễn Cao Kỳ sacked rival General Nguyễn Chánh Thi, precipitating large-scale civil and military dissension in parts of the nation.
May 6 » Myra Hindley and Ian Brady are sentenced to life imprisonment for the Moors murders in England.
May 30 » Former Congolese Prime Minister, Évariste Kimba, and several other politicians are publicly executed in Kinshasa on the orders of President Joseph Mobutu.
July 10 » The Chicago Freedom Movement, led by Martin Luther King, Jr., holds a rally at Soldier Field in Chicago. As many as 60,000 people attend.
August 29 » Leading Egyptian thinker Sayyid Qutb is executed for plotting the assassination of President Gamal Abdel Nasser.
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/I79472.php : accessed September 30, 2026), "Pieter Koopmans (1898-1966)".
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