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 25 » Nellie Bly completes her round-the-world journey in 72 days.
July 10 » Wyoming is admitted as the 44th U.S. state.
July 26 » In Buenos Aires, Argentina the Revolución del Parque takes place, forcing President Miguel Ángel Juárez Celman's resignation.
August 6 » At Auburn Prison in New York, murderer William Kemmler becomes the first person to be executed by electric chair.
September 24 » The Church of Jesus Christ of Latter-day Saints officially renounces polygamy.
November 4 » City and South London Railway: London's first deep-level tube railway opens between King William Street and Stockwell.
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.
February 5 » The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches.
February 23 » First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution (March 8 in the Gregorian calendar).
July 25 » Sir Robert Borden introduces the first income tax in Canada as a "temporary" measure (lowest bracket is 4% and highest is 25%).
October 13 » The "Miracle of the Sun" is witnessed by an estimated 70,000 people in the Cova da Iria in Portugal.
November 8 » The first Council of People's Commissars is formed, including Vladimir Lenin, Leon Trotsky and Joseph Stalin.
December 20 » Cheka, the first Soviet secret police force, is founded.
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.
March 6 » Cold War: The trial of Ethel and Julius Rosenberg begins.
April 11 » The Stone of Scone, the stone upon which Scottish monarchs were traditionally crowned, is found on the site of the altar of Arbroath Abbey. It had been taken by Scottish nationalist students from its place in Westminster Abbey.
April 17 » The Peak District becomes the United Kingdom's first National Park.
April 29 » Tibetan delegates to the Central People's Government arrive in Beijing and draft a Seventeen Point Agreement for Chinese sovereignty and Tibetan autonomy.
September 1 » The United States, Australia and New Zealand sign a mutual defense pact, called the ANZUS Treaty.
December 24 » Libya becomes independent. Idris I is proclaimed King of Libya.
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 4, 2026), "Jochum Koopmans (1890-1951)".
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