The temperature on October 25, 1912 was between 3.2 °C and 11.8 °C and averaged 7.1 °C. There was 2.7 hours of sunshine (27%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 6 » German geophysicist Alfred Wegener first presents his theory of continental drift.
January 11 » Immigrant textile workers in Lawrence, Massachusetts, go on strike when wages are reduced in response to a mandated shortening of the work week.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
April 2 » The ill-fated RMSTitanic begins sea trials.
April 16 » Harriet Quimby becomes the first woman to fly an airplane across the English Channel.
November 12 » The frozen bodies of Robert Scott and his men are found on the Ross Ice Shelf in Antarctica.
Day of death February 28, 1963
The temperature on February 28, 1963 was between -5.2 °C and 4.2 °C and averaged -1.2 °C. There was 9.0 hours of sunshine (84%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
March 8 » The Ba'ath Party comes to power in Syria in a coup d'état by a clique of quasi-leftist Syrian Army officers calling themselves the National Council of the Revolutionary Command.
June 3 » Soldiers of the South Vietnamese Army attack protesting Buddhists in Huế with liquid chemicals from tear-gas grenades, causing 67 people to be hospitalized for blistering of the skin and respiratory ailments.
June 21 » Cardinal Giovanni Battista Montini is elected as Pope Paul VI.
October 10 » The Partial Nuclear Test Ban Treaty comes into effect.
December 7 » Instant replay makes its debut during the Army-Navy football game in Philadelphia, Pennsylvania, United States.
December 10 » Zanzibar gains independence from the United Kingdom as a constitutional monarchy, under Sultan Jamshid bin Abdullah.
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/I81815.php : accessed February 3, 2026), "Hillebrand Oost (1912-1963)".
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