The temperature on September 18, 1865 was about 20.8 °C. The air pressure was 3 kgf/m2 and came mainly from the north-northwest. The airpressure was 77 cm mercury. The atmospheric humidity was 65%. 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 20 » End of the Uruguayan War, with a peace agreement between President Tomás Villalba and rebel leader Venancio Flores, setting the scene for the destructive War of the Triple Alliance.
March 3 » Opening of The Hongkong and Shanghai Banking Corporation, the founding member of the HSBC Group.
April 3 » American Civil War: Union forces capture Richmond, Virginia, the capital of the Confederate States of America.
April 15 » President Abraham Lincoln dies after being shot the previous evening by actor John Wilkes Booth. Vice President Andrew Johnson becomes President upon Lincoln's death.
April 20 » Astronomer Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX's yacht, the L'Immaculata Concezion.
June 19 » Over two years after the Emancipation Proclamation, slaves in Galveston, Texas, United States, are finally informed of their freedom. The anniversary is still officially celebrated in Texas and 41 other contiguous states as Juneteenth.
Day of marriage September 4, 1890
The temperature on September 4, 1890 was about 14.2 °C. There was 2 mm of rain. The airpressure was 77 cm mercury. The atmospheric humidity was 98%. Source: KNMI
January 1 » Eritrea is consolidated into a colony by the Italian government.
March 20 » Prime Minister of the German Empire Otto von Bismarck is dismissed by Emperor Wilhelm II.
July 3 » Idaho is admitted as the 43rd U.S. state.
September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
September 25 » The United States Congress establishes Sequoia National Park.
December 30 » Following the Wounded Knee Massacre, the United States Army and Lakota warriors face off in the Drexel Mission Fight.
Day of death August 28, 1924
The temperature on August 28, 1924 was between 6.4 °C and 18.0 °C and averaged 12.1 °C. There was 7.3 hours of sunshine (52%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 25 » On the anniversary of Greek Independence, Alexandros Papanastasiou proclaims the Second Hellenic Republic.
June 2 » U.S. President Calvin Coolidge signs the Indian Citizenship Act into law, granting citizenship to all Native Americans born within the territorial limits of the United States.
October 7 » Andreas Michalakopoulos becomes prime minister of Greece for a short period of time.
October 25 » The Zinoviev letter, which Zinoviev himself denied writing, is published in the Daily Mail; the Labour party would later blame this letter for the Conservatives' landslide election win four days later.
October 31 » World Savings Day is announced in Milan, Italy by the Members of the Association at the 1st International Savings Bank Congress (World Society of Savings Banks).
December 20 » Adolf Hitler is released from Landsberg Prison.
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/I90324.php : accessed October 20, 2026), "Jacob Slopsema (1865-1924)".
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