The temperature on August 10, 1910 was between 12.1 °C and 22.7 °C and averaged 17.5 °C. There was 13.1 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
March 3 » Rockefeller Foundation: John D. Rockefeller Jr. announces his retirement from managing his businesses so that he can devote all his time to philanthropy.
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
Day of death August 17, 1961
The temperature on August 17, 1961 was between 11.1 °C and 17.3 °C and averaged 13.9 °C. There was 1.1 mm of rain during 0.9 hours. There was 5.7 hours of sunshine (39%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 20 » John F. Kennedy is inaugurated the 35th President of the United States of America, becoming the second youngest man to take the office, and the first Catholic.
February 13 » An allegedly 500,000-year-old rock is discovered near Olancha, California, US, that appears to anachronistically encase a spark plug.
February 15 » Sabena Flight 548 crashes in Belgium, killing 73, including the entire United States figure skating team along with several of their coaches and family members.
May 25 » Apollo program: U.S. President John F. Kennedy announces, before a special joint session of the U.S. Congress, his goal to initiate a project to put a "man on the Moon" before the end of the decade.
September 1 » The first conference of the Non-Aligned Countries is held in Belgrade, Yugoslavia.
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: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I474221.php : accessed January 1, 2026), "Aaltje Hof (1910-1961)".
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