The temperature on April 21, 1870 was about 25.5 °C. The air pressure was 1 kgf/m2 and came mainly from the south-southeast. The airpressure was 77 cm mercury. The atmospheric humidity was 32%. 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 3 » The Fifteenth Amendment to the United States Constitution is ratified, guaranteeing voting rights to male citizens regardless of race.
February 27 » The current flag of Japan is first adopted as the national flag for Japanese merchant ships.
July 15 » Rupert's Land and the North-Western Territory are transferred to Canada from the Hudson's Bay Company, and the province of Manitoba and the Northwest Territories are established from these vast territories.
August 16 » Franco-Prussian War: The Battle of Mars-la-Tour is fought, resulting in a Prussian victory.
September 4 » Emperor Napoleon III of France is deposed and the Third Republic is declared.
November 1 » In the United States, the Weather Bureau (later renamed the National Weather Service) makes its first official meteorological forecast.
Day of death August 21, 1956
The temperature on August 21, 1956 was between 6.6 °C and 18.4 °C and averaged 13.5 °C. There was 9.8 hours of sunshine (68%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
June 28 » in Poznań, workers from HCP factory go to the streets, sparking one of the first major protests against communist government both in Poland and Europe.
September 13 » The dike around the Dutch polder East Flevoland is closed.
November 1 » The Springhill mining disaster in Springhill, Nova Scotia kills 39 miners; 88 are rescued.
November 4 » Soviet troops enter Hungary to end the Hungarian revolution against the Soviet Union that started on October 23. Thousands are killed, more are wounded, and nearly a quarter million leave the country.
December 2 » The Granma reaches the shores of Cuba's Oriente Province. Fidel Castro, Che Guevara and 80 other members of the 26th of July Movement disembark to initiate the Cuban Revolution.
December 28 » Chin Peng, David Marshall and Tunku Abdul Rahman meet in Baling, Malaya to try and resolve the Malayan Emergency situation.
When copying data from this family tree, please include a reference to the origin: Mark van Bommel, "Family tree Van Bommel", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-van-bommel/I1597.php : accessed February 17, 2026), "Jansje Jacobs Keijzer (1870-1956)".
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