The temperature on October 3, 1881 was about 12.6 °C. The air pressure was 3 kgf/m2 and came mainly from the east-northeast. The airpressure was 77 cm mercury. The atmospheric humidity was 62%. 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.
March 13 » Alexander II of Russia is assassinated.
April 16 » In Dodge City, Kansas, Bat Masterson fights his last gun battle.
May 10 » Carol I is crowned the King of the Romanian Kingdom.
May 21 » The American Red Cross is established by Clara Barton in Washington, D.C.
July 23 » The Boundary Treaty of 1881 between Chile and Argentina is signed in Buenos Aires.
November 19 » A meteorite lands near the village of Grossliebenthal, southwest of Odessa, Ukraine.
Day of death April 22, 1960
The temperature on April 22, 1960 was between 2.2 °C and 13.9 °C and averaged 8.7 °C. There was 0.1 mm of rain. There was 0.8 hours of sunshine (6%). The partly or heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 9 » President of Egypt Gamal Abdel Nasser opens construction on the Aswan Dam by detonating ten tons of dynamite to demolish twenty tons of granite on the east bank of the Nile.
January 21 » Avianca Flight 671 crashes at Montego Bay, Jamaica airport, killing 37 people.
January 25 » The National Association of Broadcasters reacts to the "payola" scandal by threatening fines for any disc jockeys who accept money for playing particular records.
May 6 » More than 20million viewers watch the first televised royal wedding when Princess Margaret marries Anthony Armstrong-Jones at Westminster Abbey.
May 9 » The Food and Drug Administration announces it will approve birth control as an additional indication for Searle's Enovid, making Enovid the world's first approved oral contraceptive pill.
When copying data from this family tree, please include a reference to the origin: Peeters Mathieu, "FutureHistory", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-riske/I28545.php : accessed February 8, 2026), "Leon Koppen (1881-1960)".
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