The temperature on November 11, 1872 was about 6.6 °C. The air pressure was 1 kgf/m2 and came mainly from the northeast. The atmospheric humidity was 85%. Source: KNMI
In The Netherlands , there was from January 4, 1871 to July 6, 1872 the cabinet Thorbecke III, with Mr. J.R. Thorbecke (liberaal) as prime minister.
From July 6, 1872 till August 27, 1874 the Netherlands had a cabinet De Vries - Fransen van de Putte with the prime ministers Mr. G. de Vries Azn. (liberaal) and I.D. Fransen van de Putte (liberaal).
February 20 » The Metropolitan Museum of Art opens in New York City.
April 10 » The first Arbor Day is celebrated in Nebraska.
July 18 » The Ballot Act 1872 in the United Kingdom introduced the requirement that parliamentary and local government elections be held by secret ballot.
November 9 » The Great Boston Fire of 1872.
November 18 » Susan B. Anthony and 14 other women are arrested for voting illegally in the United States presidential election of 1872.
December 4 » The crewless American brigantine Mary Celeste, drifting in the Atlantic, is discovered by the Canadian brig Dei Gratia. The ship has been abandoned for nine days but is only slightly damaged. Her master Benjamin Briggs and all nine others known to have been on board are never accounted for.
Day of marriage May 23, 1901
The temperature on May 23, 1901 was between 5.5 °C and 18.5 °C and averaged 12.7 °C. There was 11.1 hours of sunshine (69%). Source: KNMI
March 23 » Emilio Aguinaldo, only President of the First Philippine Republic, was captured at Palanan, Isabela by the forces of General Frederick Funston.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
August 28 » Silliman University is founded in the Philippines. It is the first American private school in the country.
September 2 » Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
October 29 » In Amherst, Massachusetts, nurse Jane Toppan is arrested for murdering the Davis family of Boston with an overdose of morphine.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of death February 4, 1961
The temperature on February 4, 1961 was between -0.9 °C and 6.0 °C and averaged 2.5 °C. There was 5.4 mm of rain during 3.8 hours. There was 0.2 hours of sunshine (2%). The partly or heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
March 9 » Sputnik 9 successfully launches, carrying a dog and a human dummy, and demonstrating that the Soviet Union was ready to begin human spaceflight.
May 1 » The Prime Minister of Cuba, Fidel Castro, proclaims Cuba a socialist nation and abolishes elections.
May 4 » Malcolm Ross and Victor Prather attain a new altitude record for manned balloon flight ascending in the Strato-Lab V open gondola to 113,740 feet (34.67km).
July 4 » On its maiden voyage, the Soviet nuclear-powered submarine K-19 suffers a complete loss of coolant to its reactor. The crew are able to effect repairs, but 22 of them die of radiation poisoning over the following two years.
September 17 » The world's first retractable roof stadium, the Civic Arena, opens in Pittsburgh, Pennsylvania.
December 19 » India annexes Daman and Diu, part of Portuguese India.
When copying data from this family tree, please include a reference to the origin: Elly Gelderman, "Family tree Gelderman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-gelderman/I6350.php : accessed January 30, 2026), "Hendrik (Hendrik ) Koops (1872-1961)".
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