The temperature on April 23, 1890 was about 12.5 °C. There was 1 mm of rain. The air pressure was 12 kgf/m2 and came mainly from the west-southwest. The airpressure was 76 cm mercury. The atmospheric humidity was 65%. Source: KNMI
January 1 » Eritrea is consolidated into a colony by the Italian government.
January 25 » Nellie Bly completes her round-the-world journey in 72 days.
March 4 » The longest bridge in Great Britain, the Forth Bridge in Scotland, measuring 1,710 feet (520m) long, is opened by the Duke of Rothesay, later King Edward VII.
July 3 » Idaho is admitted as the 43rd U.S. state.
September 25 » The United States Congress establishes Sequoia National Park.
December 15 » Hunkpapa Lakota leader Sitting Bull is killed on Standing Rock Indian Reservation, leading to the Wounded Knee Massacre.
Day of marriage April 19, 1917
The temperature on April 19, 1917 was between -1.6 °C and 7.6 °C and averaged 4.1 °C. There was 1.9 mm of rain. There was 0.9 hours of sunshine (6%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
March 15 » Tsar Nicholas II of Russia abdicates the Russian throne ending the 304-year Romanov dynasty.
September 26 » World War I: The Battle of Polygon Wood begins.
November 26 » The National Hockey League is formed, with the Montreal Canadiens, Montreal Wanderers, Ottawa Senators, Quebec Bulldogs, and Toronto Arenas as its first teams.
December 2 » World War I: Russia and the Central Powers sign an armistice at Brest-Litovsk, and peace talks leading to the Treaty of Brest-Litovsk begin.
December 6 » Finland declares independence from Soviet Russia.
December 15 » World War I: An armistice between Russia and the Central Powers is signed.
Day of death August 2, 1951
The temperature on August 2, 1951 was between 16.3 °C and 24.1 °C and averaged 19.6 °C. There was 10.0 hours of sunshine (65%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
From August 7, 1948 till March 15, 1951 the Netherlands had a cabinet Drees - Van Schaik with the prime ministers Dr. W. Drees (PvdA) and Mr. J.R.H. van Schaik (KVP).
In The Netherlands , there was from March 15, 1951 to September 2, 1952 the cabinet Drees I, with Dr. W. Drees (PvdA) as prime minister.
February 6 » The Canadian Army enters combat in the Korean War.
March 20 » Fujiyoshida, a city located in Yamanashi Prefecture, Japan, in the center of the Japanese main island of Honshū is founded.
April 23 » Cold War: American journalist William N. Oatis is arrested for espionage by the Communist government of Czechoslovakia.
May 21 » The opening of the Ninth Street Show, otherwise known as the 9th Street Art Exhibition: A gathering of a number of notable artists, and the stepping-out of the post war New York avant-garde, collectively known as the New York School.
July 4 » William Shockley announces the invention of the junction transistor.
December 17 » The American Civil Rights Congress delivers "We Charge Genocide" to the United Nations.
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/I79469.php : accessed October 3, 2026), "Jochum Koopmans (1890-1951)".
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