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).
February 25 » Hiram Rhodes Revels, a Republican from Mississippi, is sworn into the United States Senate, becoming the first African American ever to sit in Congress.
March 16 » The first version of the overture fantasy Romeo and Juliet by Tchaikovsky receives its première performance.
August 6 » Franco-Prussian War: The Battle of Wörth results in a decisive Prussian victory.
September 3 » Franco-Prussian War: The Siege of Metz begins, resulting in a decisive Prussian victory on October 23.
September 19 » Franco-Prussian War: The siege of Paris begins. The city will hold out for over four months before surrendering.
October 27 » Franco-Prussian War: Marshal Bazaine surrenders to Prussian forces at the conclusion of the Siege of Metz along with 140,000 French soldiers.
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.
January 20 » The first Constitution of Turkey is adopted, making fundamental changes in the source and exercise of sovereignty by consecrating the principle of national sovereignty.
March 18 » The Kronstadt rebellion is suppressed by the Red Army.
March 19 » Irish War of Independence: One of the biggest engagements of the war takes place at Crossbarry, County Cork. About 100 Irish Republican Army (IRA) volunteers escape an attempt by over 1,300 British forces to encircle them.
March 31 » The Royal Australian Air Force is formed.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
October 5 » The World Series is the first to be broadcast on radio.
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.
February 15 » Kingdom of Romania establishes its legation in Helsinki.
February 27 » The International Working Union of Socialist Parties is founded in Vienna.
June 15 » Bessie Coleman earns her pilot's license, becoming the first female pilot of African-American descent.
July 2 » World War I: U.S. President Warren G. Harding signs the Knox–Porter Resolution formally ending the war between the United States and Germany.
August 3 » Major League Baseball Commissioner Kenesaw Mountain Landis confirms the ban of the eight Chicago Black Sox, the day after they were acquitted by a Chicago court.
October 18 » The Crimean Autonomous Soviet Socialist Republic is formed as part of the Russian Soviet Federative Socialist Republic.
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 11, 2026), "Roelf Zwart (1870-1921)".
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