March 6 » Bayer registers "Aspirin" as a trademark.
March 27 » Emilio Aguinaldo leads Filipino forces for the only time during the Philippine–American War at the Battle of Marilao River.
March 30 » German Society of Chemistry issues an invitation to other national scientific organizations to appoint delegates to the International Committee on Atomic Weights.
April 18 » The St. Andrew's Ambulance Association is granted a royal charter by Queen Victoria.
May 8 » The Irish Literary Theatre in Dublin produced its first play.
September 13 » Henry Bliss is the first person in the United States to be killed in an automobile accident.
Day of death January 31, 1961
The temperature on January 31, 1961 was between 5.3 °C and 7.8 °C and averaged 6.3 °C. There was 0.9 mm of rain during 1.5 hours. There was 1.0 hours of sunshine (11%). The almost completely overcast was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 3 » A protest by agricultural workers in Baixa de Cassanje, Portuguese Angola, turns into a revolt, opening the Angolan War of Independence, the first of the Portuguese Colonial Wars.
January 3 » Cold War: The United States severs diplomatic relations with Cuba over the latter's nationalization of American assets.
January 9 » British authorities announce they have uncovered the Soviet Portland Spy Ring in London.
January 24 » Goldsboro B-52 crash: A bomber carrying two H-bombs breaks up in mid-air over North Carolina. The uranium core of one weapon remains lost.
April 17 » Bay of Pigs Invasion: A group of Cuban exiles financed and trained by the CIA lands at the Bay of Pigs in Cuba with the aim of ousting Fidel Castro.
September 10 » In the Italian Grand Prix, a crash causes the death of German Formula One driver Wolfgang von Trips and 13 spectators who are hit by his Ferrari, the deadliest accident in F1 history.
When copying data from this family tree, please include a reference to the origin: Tom Doornbos, "Family tree Doornbos", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-doornbos/I7493.php : accessed May 12, 2024), "Frederik Mengedoth (1899-1961)".
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