The temperature on August 20, 1870 was about 15.9 °C. There was 3 mm of rain. The air pressure was 8 kgf/m2 and came mainly from the northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 73%. Source: KNMI
From June 4, 1868 till January 4, 1871 the Netherlands had a cabinet Van Bosse - Fock with the prime ministers Mr. P.P. van Bosse (liberaal) and Mr. C. Fock (liberaal).
January 26 » Reconstruction Era: Virginia rejoins the Union.
February 3 » The Fifteenth Amendment to the United States Constitution is ratified, guaranteeing voting rights to male citizens regardless of race.
May 12 » The Manitoba Act is given the Royal Assent, paving the way for Manitoba to become a province of Canada on July 15.
July 15 » Rupert's Land and the North-Western Territory are transferred to Canada from the Hudson's Bay Company, and the province of Manitoba and the Northwest Territories are established from these vast territories.
October 7 » Franco-Prussian War: Léon Gambetta escapes the siege of Paris in a hot-air balloon.
December 12 » Joseph H. Rainey of South Carolina becomes the second black U.S. congressman.
Day of marriage September 19, 1921
The temperature on September 19, 1921 was between 9.2 °C and 20.2 °C and averaged 14.2 °C. There was 5.9 hours of sunshine (47%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. 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 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.
July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
July 11 » Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
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.
Day of death December 12, 1921
The temperature on December 12, 1921 was between -3.1 °C and 5.6 °C and averaged 2.0 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. 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.
January 12 » Acting to restore confidence in baseball after the Black Sox Scandal, Judge Kenesaw Mountain Landis is elected as Major League Baseball's first commissioner.
March 18 » The second Peace of Riga is signed between Poland and the Soviet Union.
March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
May 8 » The creation of the Communist Party of Romania.
July 11 » Former president of the United States William Howard Taft is sworn in as 10th chief justice of the U.S. Supreme Court, becoming the only person ever to hold both offices.
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.
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/I101255.php : accessed October 16, 2026), "Roelf Zwart (1870-1921)".
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