April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
June 28 » An explosion in the Newton Coal Company's Twin Shaft Mine in Pittston, Pennsylvania results in a massive cave-in that kills 58 miners.
August 27 » Anglo-Zanzibar War: The shortest war in world history (09:02 to 09:40), between the United Kingdom and Zanzibar.
August 30 » Philippine Revolution: After Spanish victory in the Battle of San Juan del Monte, eight provinces in the Philippines are declared under martial law by the Spanish Governor-General Ramón Blanco y Erenas.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
December 17 » Pittsburgh, Pennsylvania's Schenley Park Casino, which was the first multi-purpose arena with the technology to create an artificial ice surface in North America, is destroyed in a fire.
Day of marriage June 9, 1921
The temperature on June 9, 1921 was between 11.0 °C and 18.2 °C and averaged 13.5 °C. There was 1.2 hours of sunshine (7%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. 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 21 » Rezā Shāh takes control of Tehran during a successful coup.
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.
June 12 » Mikhail Tukhachevsky orders the use of chemical weapons against the Tambov Rebellion, bringing an end to the peasant uprising.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
September 8 » Margaret Gorman, a 16-year-old, wins the Atlantic City Pageant's Golden Mermaid trophy; pageant officials later dubbed her the first Miss America.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
Day of death May 1, 1981
The temperature on May 1, 1981 was between 2.2 °C and 10.4 °C and averaged 6.3 °C. There was 0.1 mm of rain during 0.1 hours. There was 7.9 hours of sunshine (53%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
In The Netherlands , there was from Monday, December 19, 1977 to Friday, September 11, 1981 the cabinet Van Agt I, with Mr. A.A.M. van Agt (CDA/KVP) as prime minister.
In The Netherlands , there was from Friday, September 11, 1981 to Saturday, May 29, 1982 the cabinet Van Agt II, with Mr. A.A.M. van Agt (CDA) as prime minister.
January 10 » Salvadoran Civil War: The FMLN launches its first major offensive, gaining control of most of Morazán and Chalatenango departments
March 1 » Provisional Irish Republican Army member Bobby Sands begins his hunger strike in HM Prison Maze.
June 11 » A magnitude 6.9 earthquake at Golbaf, Iran, kills at least 2,000.
August 3 » Senegalese opposition parties, under the leadership of Mamadou Dia, launch the Antiimperialist Action Front – Suxxali Reew Mi.
December 11 » El Mozote massacre: Armed forces in El Salvador kill an estimated 900 civilians in an anti-guerrilla campaign during the Salvadoran Civil War.
December 18 » First flight of the Russian heavy strategic bomber Tu-160, the world's largest combat aircraft, largest supersonic aircraft and largest variable-sweep wing aircraft built.
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/I199627.php : accessed October 22, 2026), "Jantje de Vries (1896-1981)".
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