January 13 » Émile Zola's J'accuse…! exposes the Dreyfus affair.
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.)
June 12 » Philippine Declaration of Independence: General Emilio Aguinaldo declares the Philippines' independence from Spain.
August 25 » Seven hundred Greek civilians, 17 British guards and the British Consul of Crete are killed by a Turkish mob in Heraklion, Greece.
September 21 » Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China.
December 26 » Marie and Pierre Curie announce the isolation of radium.
Day of marriage May 10, 1921
The temperature on May 10, 1921 was between 6.2 °C and 17.3 °C and averaged 11.9 °C. There was 1.0 mm of rain. There was 6.4 hours of sunshine (42%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. 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.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
March 20 » The Upper Silesia plebiscite was a plebiscite mandated by the Versailles Treaty to determine a section of the border between Weimar Germany and Poland.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
October 29 » The Link River Dam, a part of the Klamath Reclamation Project, is completed.
Day of death September 5, 1989
The temperature on September 5, 1989 was between 7.3 °C and 21.3 °C and averaged 13.0 °C. There was -0.1 mm of rain. There was 4.7 hours of sunshine (35%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 1 » The Montreal Protocol comes into force, stopping the use of chemicals contributing to ozone depletion.
March 7 » Iran and the United Kingdom break diplomatic relations after a fight over Salman Rushdie and his controversial novel, The Satanic Verses.
June 4 » The Tiananmen Square protests are suppressed in Beijing by the People's Liberation Army, with between 241 and 1,000 dead (an unofficial estimate).
June 16 » Revolutions of 1989: Imre Nagy, the former Hungarian prime minister, is reburied in Budapest following the collapse of Communism in Hungary.
September 4 » In Leipzig, East Germany, the first of weekly demonstration for the legalisation of opposition groups and democratic reforms takes place.
December 10 » Mongolian Revolution: At the country's first open pro-democracy public demonstration, Tsakhiagiin Elbegdorj announces the establishment of the Mongolian Democratic Union.
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/I187111.php : accessed February 8, 2026), "Grietje Tamminga (1898-1989)".
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