The temperature on March 30, 1881 was about 4.6 °C. The air pressure was 1 kgf/m2 and came mainly from the north-northwest. The airpressure was 76 cm mercury. The atmospheric humidity was 71%. Source: KNMI
In The Netherlands , there was from August 20, 1879 to April 23, 1883 the cabinet Van Lijnden van Sandenburg, with Mr. C.Th. baron Van Lijnden van Sandenburg (conservatief-AR) as prime minister.
February 16 » The Canadian Pacific Railway is incorporated by Act of Parliament at Ottawa (44th Vic., c.1).
February 27 » First Boer War: The Battle of Majuba Hill takes place.
April 11 » Spelman College is founded in Atlanta, Georgia as the Atlanta Baptist Female Seminary, an institute of higher education for African-American women.
May 10 » Carol I is crowned the King of the Romanian Kingdom.
July 23 » The Boundary Treaty of 1881 between Chile and Argentina is signed in Buenos Aires.
September 20 » U.S. President Chester A. Arthur is sworn in, the morning after becoming President upon James A. Garfield's death.
Day of death July 25, 1961
The temperature on July 25, 1961 was between 12.7 °C and 22.2 °C and averaged 17.5 °C. There was 7.4 hours of sunshine (47%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
January 17 » U.S. President Dwight D. Eisenhower delivers a televised farewell address to the nation three days before leaving office, in which he warns against the accumulation of power by the "military–industrial complex" as well as the dangers of massive spending, especially deficit spending.
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
February 12 » The Soviet Union launches Venera 1 towards Venus.
February 14 » Discovery of the chemical elements: Element 103, Lawrencium, is first synthesized at the University of California.
February 16 » Explorer program: Explorer 9 (S-56a) is launched.
May 16 » Park Chung-hee leads a coup d'état to overthrow the Second Republic of South Korea.
When copying data from this family tree, please include a reference to the origin: T. Nolet, "Family tree Nolet", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-nolet/I2200.php : accessed February 16, 2026), "Hendrik (Heinrich) Joseph Koppelrath (1881-1961)".
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