February 1 » La bohème premieres in Turin at the Teatro Regio (Turin), conducted by the young Arturo Toscanini.
March 1 » Henri Becquerel discovers radioactive decay.
April 15 » Closing ceremony of the Games of the I Olympiad in Athens, Greece.
August 27 » Anglo-Zanzibar War: The shortest war in world history (09:02 to 09:40), between the United Kingdom and Zanzibar.
November 17 » The Western Pennsylvania Hockey League, which later became the first ice hockey league to openly trade and hire players, began play at Pittsburgh's Schenley Park Casino.
December 14 » The Glasgow Underground Railway is opened by the Glasgow District Subway Company.
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.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
April 2 » The Autonomous Government of Khorasan, a military government encompassing the modern state of Iran, is established.
May 8 » The creation of the Communist Party of Romania.
August 14 » Tannu Uriankhai, later Tuvan People's Republic is established as a completely independent country (which is supported by Soviet Russia).
September 21 » A storage silo in Oppau, Germany, explodes, killing 500–600 people.
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 15 » Pope John Paul II receives a delegation from Solidarity (Polish trade union) at the Vatican led by Lech Wałęsa.
March 26 » Social Democratic Party (UK) is founded as a party.
July 19 » In a private meeting with U.S. President Ronald Reagan, French President François Mitterrand reveals the existence of the Farewell Dossier, a collection of documents showing the Soviet Union had been stealing American technological research and development.
October 3 » The hunger strike at the Maze Prison in Northern Ireland ends after seven months and ten deaths.
November 12 » Space Shuttle program: Mission STS-2, utilizing the Space Shuttle Columbia, marks the first time a manned spacecraft is launched into space twice.
December 31 » A coup d'état in Ghana removes President Hilla Limann's PNP government and replaces it with the Provisional National Defence Council led by Flight lieutenant Jerry Rawlings.
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 24, 2026), "Jantje de Vries (1896-1981)".
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