March 7 » Second Boer War: Boers, led by Koos de la Rey, inflict the biggest defeat upon the British since the beginning of the war, at Tweebosch.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
August 9 » Edward VII and Alexandra of Denmark are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
November 21 » The Philadelphia Football Athletics defeated the Kanaweola Athletic Club of Elmira, New York, 39–0, in the first ever professional American football night game.
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 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 9 » The Pacific Electric Railway in Los Angeles, once the largest electric railway in the world, ends operations.
May 24 » American civil rights movement: Freedom Riders are arrested in Jackson, Mississippi, for "disturbing the peace" after disembarking from their bus.
June 23 » The Antarctic Treaty System, which sets aside Antarctica as a scientific preserve and limits military activity on the continent, its islands and ice shelves, comes into force.
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.
December 31 » RTÉ, Ireland's state broadcaster, launches its first national television service.
When copying data from this family tree, please include a reference to the origin: Peter J van Oss, "Van Oss tree", database, Genealogy Online (https://www.genealogieonline.nl/van-oss-tree/I0392.php : accessed January 4, 2026), "Petronella Gertruda Hoefnagel (1902-1961)".
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