The temperature on December 19, 1864 was about -3.9 °C. The air pressure was 1 kgf/m2 and came mainly from the east. The airpressure was 76 cm mercury. The atmospheric humidity was 91%. 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 17 » American Civil War: The H. L. Hunley becomes the first submarine to engage and sink a warship, the USSHousatonic.
February 29 » American Civil War: Kilpatrick–Dahlgren Raid fails: Plans to free 15,000 Union soldiers being held near Richmond, Virginia are thwarted.
March 11 » The Great Sheffield Flood kills 238 people in Sheffield, England.
May 21 » American Civil War: The Battle of Spotsylvania Court House ends.
June 5 » American Civil War: Battle of Piedmont: Union forces under General David Hunter defeat a Confederate army at Piedmont, Virginia, taking nearly 1,000 prisoners.
October 31 » Nevada is admitted as the 36th U.S. state.
Day of marriage May 6, 1889
The temperature on May 6, 1889 was about 23.5 °C. The air pressure was 4 kgf/m2 and came mainly from the east-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 45%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
February 22 » President Grover Cleveland signs a bill admitting North Dakota, South Dakota, Montana and Washington as U.S. states.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 11 » An attack upon a U.S. Army paymaster and escort results in the theft of over $28,000 and the award of two Medals of Honor.
June 29 » Hyde Park and several other Illinois townships vote to be annexed by Chicago, forming the largest United States city in area and second largest in population at the time.
November 2 » North Dakota and South Dakota are admitted as the 39th and 40th U.S. states.
Day of death April 15, 1946
The temperature on April 15, 1946 was between 6.1 °C and 20.6 °C and averaged 13.2 °C. There was 11.3 hours of sunshine (82%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
In The Netherlands , there was from July 3, 1946 to August 7, 1948 the cabinet Beel I, with Dr. L.J.M. Beel (KVP) as prime minister.
January 3 » Popular Canadian American jockey George Woolf dies in a freak accident during a race; the annual George Woolf Memorial Jockey Award is created to honor him.
March 28 » Cold War: The United States Department of State releases the Acheson–Lilienthal Report, outlining a plan for the international control of nuclear power.
April 20 » The League of Nations officially dissolves, giving most of its power to the United Nations.
July 4 » The Kielce pogrom against Jewish Holocaust survivors in Poland.
August 3 » Santa Claus Land, the world's first themed amusement park, opens in Santa Claus, Indiana, United States.
December 20 » The popular Christmas film It's a Wonderful Life is first released in New York City.
When copying data from this family tree, please include a reference to the origin: Wim Ackermans, "Family tree Ackermans", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-ackermans/I4249.php : accessed February 17, 2026), "Johannes Marijnus Proost (1864-1946)".
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