The temperature on May 20, 1869 was about 14.9 °C. There was 0.1 mm of rain. The air pressure was 16 kgf/m2 and came mainly from the west-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 48%. 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 5 » The largest alluvial gold nugget in history, called the "Welcome Stranger", is found in Moliagul, Victoria, Australia.
May 4 » The Naval Battle of Hakodate is fought in Japan.
August 29 » The Mount Washington Cog Railway opens, making it the world's first mountain-climbing rack railway.
October 16 » Girton College, Cambridge is founded, becoming England's first residential college for women.
November 11 » The Victorian Aboriginal Protection Act is enacted in Australia, giving the government control of indigenous people's wages, their terms of employment, where they could live, and of their children, effectively leading to the Stolen Generations.
November 22 » In Dumbarton, Scotland, the clipper Cutty Sark is launched
Day of marriage April 28, 1900
The temperature on April 28, 1900 was about 6.2 °C. The airpressure was 76 cm mercury. The atmospheric humidity was 60%. Source: KNMI
January 24 » Second Boer War: Boers stop a British attempt to break the Siege of Ladysmith in the Battle of Spion Kop.
April 5 » Archaeologists in Knossos, Crete, discover a large cache of clay tablets with hieroglyphic writing in a script they call Linear B.
June 21 » Boxer Rebellion. China formally declares war on the United States, Britain, Germany, France and Japan, as an edict issued from the Empress Dowager Cixi.
August 3 » The Firestone Tire and Rubber Company is founded.
September 17 » Philippine–American War: Filipinos under Juan Cailles defeat Americans under Colonel Benjamin F. Cheatham Jr. at Mabitac.
December 14 » Quantum mechanics: Max Planck presents a theoretical derivation of his black-body radiation law.
Day of death January 15, 1943
The temperature on January 15, 1943 was between -0.1 °C and 5.4 °C and averaged 3.5 °C. There was 0.9 mm of rain during 0.7 hours. There was 0.4 hours of sunshine (5%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
January 15 » The Pentagon is dedicated in Arlington, Virginia.
February 23 » Greek Resistance: The United Panhellenic Organization of Youth is founded in Greece.
April 26 » The Easter Riots break out in Uppsala, Sweden.
September 9 » World War II: The Allies land at Salerno and Taranto, Italy.
November 5 » World War II: Bombing of the Vatican.
November 29 » World War II: The second session of the Anti-Fascist Council for the National Liberation of Yugoslavia (AVNOJ), held to determine the post-war ordering of the country, concludes in Jajce (present-day Bosnia and Herzegovina).
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/I150152.php : accessed October 20, 2026), "Jan Jongsma (1869-1943)".
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