The temperature on May 4, 1865 was about 22.1 °C. The air pressure was 3 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 51%. Source: KNMI
In The Netherlands , there was from February 1, 1862 to February 10, 1866 the cabinet Thorbecke II, with Mr. J.R. Thorbecke (liberaal) as prime minister.
February 8 » Delaware refuses to ratify the Thirteenth Amendment to the U.S. Constitution. Slavery was outlawed in the United States, including Delaware, when the Amendment was ratified by the requisite number of states on December 6, 1865. Delaware ratified the Thirteenth Amendment on February 12, 1901, which was the ninety-second anniversary of the birth of Abraham Lincoln.
April 4 » American Civil War: A day after Union forces capture Richmond, Virginia, U.S. President Abraham Lincoln visits the Confederate capital.
June 11 » The Naval Battle of the Riachuelo is fought on the rivulet Riachuelo (Argentina), between the Paraguayan Navy on one side and the Brazilian Navy on the other. The Brazilian victory was crucial for the later success of the Triple Alliance (Brazil, Uruguay, and Argentina) in the Paraguayan War.
June 28 » The Army of the Potomac is disbanded.
July 7 » Four conspirators in the assassination of Abraham Lincoln are hanged.
December 17 » First performance of the Unfinished Symphony by Franz Schubert.
Day of death June 4, 1921
The temperature on June 4, 1921 was between 15.1 °C and 23.7 °C and averaged 19.1 °C. There was 8.5 hours of sunshine (52%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
January 16 » The Marxist Left in Slovakia and the Transcarpathian Ukraine holds its founding congress in Ľubochňa.
March 21 » The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of war communism.
June 28 » Serbian King Alexander I proclaims the new constitution of the Kingdom of Serbs, Croats and Slovenes, known thereafter as the Vidovdan Constitution.
July 11 » The Red Army captures Mongolia from the White Army and establishes the Mongolian People's Republic.
When copying data from this family tree, please include a reference to the origin: Rob van Koert, "Family tree Van Koert", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-koert/I28331.php : accessed January 16, 2026), "Jan Swart (1865-1921)".
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