The temperature on August 22, 1863 was about 17.9 °C. The air pressure was 0.5 kgf/m2 and came mainly from the west-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 58%. 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.
January 29 » The Bear River Massacre: A detachment of California Volunteers led by Colonel Patrick Edward Connor engage the Shoshone at Bear River, Washington Territory, killing hundreds of men, women and children.
May 23 » The General German Workers' Association, a precursor of the modern Social Democratic Party of Germany, is founded in Leipzig, Kingdom of Saxony.
June 14 » Second Assault on the Confederate works at the Siege of Port Hudson during the American Civil War.
July 1 » American Civil War: The Battle of Gettysburg begins.
August 21 » Lawrence, Kansas is destroyed by pro-Confederate guerrillas known as Quantrill's Raiders.
October 30 » Danish Prince Vilhelm arrives in Athens to assume his throne as George I, King of the Hellenes.
Day of marriage May 23, 1889
The temperature on May 23, 1889 was about 26.2 °C. The air pressure was 4 kgf/m2 and came mainly from the south-southeast. The airpressure was 76 cm mercury. The atmospheric humidity was 35%. Source: KNMI
January 22 » Columbia Phonograph is formed in Washington, D.C.
April 1 » The University of Northern Colorado was established, as the Colorado State Normal School.
May 31 » Johnstown Flood: Over 2,200 people die after a dam fails and sends a 60-foot (18-meter) wall of water over the town of Johnstown, Pennsylvania.
June 6 » The Great Seattle Fire destroys all of downtown Seattle.
September 28 » The General Conference on Weights and Measures (CGPM) defines the length of a meter.
November 15 » Brazil is declared a republic by Marshal Deodoro da Fonseca as Emperor Pedro II is deposed in a military coup.
Day of death March 24, 1917
The temperature on March 24, 1917 was between -5.7 °C and 4.5 °C and averaged -0.6 °C. There was 10.7 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
March 25 » The Georgian Orthodox Church restores its autocephaly abolished by Imperial Russia in 1811.
May 13 » Three children report the first apparition of Our Lady of Fátima in Fátima, Portugal.
June 4 » The first Pulitzer Prizes are awarded: Laura E. Richards, Maude H. Elliott, and Florence Hall receive the first Pulitzer for biography (for Julia Ward Howe). Jean Jules Jusserand receives the first Pulitzer for history for his work With Americans of Past and Present Days. Herbert B. Swope receives the first Pulitzer for journalism for his work for the New York World.
October 31 » World War I: Battle of Beersheba: The "last successful cavalry charge in history".
December 15 » World War I: An armistice between Russia and the Central Powers is signed.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I6607.php : accessed January 25, 2026), "Hendrik Jan Klein Velderman (1863-1917)".
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