The temperature on October 18, 1869 was about 9.2 °C. The air pressure was 7 kgf/m2 and came mainly from the south-southwest. The airpressure was 75 cm mercury. The atmospheric humidity was 66%. 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).
April 28 » Chinese and Irish laborers for the Central Pacific Railroad working on the First Transcontinental Railroad lay ten miles of track in one day, a feat which has never been matched.
May 4 » The Naval Battle of Hakodate is fought in Japan.
June 27 » The Republic of Ezo on the island of Hokkaido ends after being defeated by Japanese Imperial troops.
August 2 » Japan's Edo society class system is abolished as part of the Meiji Restoration reforms.
August 29 » The Mount Washington Cog Railway opens, making it the world's first mountain-climbing rack railway.
September 24 » Gold prices plummet after President Grant orders the Treasury to sell large quantities of gold after Jay Gould and James Fisk plot to control the market.
Day of death June 6, 1955
The temperature on June 6, 1955 was between 10.0 °C and 22.9 °C and averaged 17.4 °C. There was 11.8 hours of sunshine (71%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
April 24 » The Bandung Conference ends: Twenty-nine non-aligned nations of Asia and Africa finish a meeting that condemns colonialism, racism, and the Cold War.
May 5 » The General Treaty, by which France, Britain and the United States recognize the sovereignty of West Germany, comes into effect.
August 19 » In the Northeast United States, severe flooding caused by Hurricane Diane, claims 200 lives.
September 25 » The Royal Jordanian Air Force is founded.
October 1 » The Xinjiang Uyghur Autonomous Region is established.
December 1 » American Civil Rights Movement: In Montgomery, Alabama, seamstress Rosa Parks refuses to give up her bus seat to a white man and is arrested for violating the city's racial segregation laws, an incident which leads to that city's bus boycott.
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/I50951.php : accessed December 26, 2025), "Jan Koopman (1869-1955)".
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