The temperature on September 15, 1909 was between 8.6 °C and 13.6 °C and averaged 11.9 °C. There was 0.5 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
February 12 » New Zealand's worst maritime disaster of the 20th century happens when the SSPenguin, an inter-island ferry, sinks and explodes at the entrance to Wellington Harbour.
February 12 » The National Association for the Advancement of Colored People (NAACP) is founded.
February 15 » The Flores Theater fire in Acapulco, Mexico kills 250.
June 26 » The Science Museum in London comes into existence as an independent entity.
August 30 » Burgess Shale fossils are discovered by Charles Doolittle Walcott.
September 20 » The South Africa Act 1909 creates the Union of South Africa from the British Colonies from four smaller colonies.
Day of marriage August 12, 1937
The temperature on August 12, 1937 was between 12.5 °C and 24.5 °C and averaged 18.6 °C. There was 7.7 hours of sunshine (52%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
January 20 » Franklin D. Roosevelt and John Nance Garner are sworn in for their second terms as U.S. President and U.S. Vice President; it is the first time a Presidential Inauguration takes place on January 20 since the 20th Amendment changed the dates of presidential terms.
March 8 » Spanish Civil War: The Battle of Guadalajara begins.
April 1 » Aden becomes a British crown colony.
April 30 » The Commonwealth of the Philippines holds a plebiscite for Filipino women on whether they should be extended the right to suffrage; over 90% would vote in the affirmative.
May 30 » Memorial Day massacre: Chicago police shoot and kill ten labor demonstrators.
September 10 » Nine nations attend the Nyon Conference to address international piracy in the Mediterranean Sea.
Day of death August 10, 1962
The temperature on August 10, 1962 was between 13.2 °C and 19.8 °C and averaged 16.3 °C. There was 3.2 mm of rain during 3.5 hours. There was 1.0 hours of sunshine (7%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
July 23 » Telstar relays the first publicly transmitted, live trans-Atlantic television program, featuring Walter Cronkite.
July 23 » The International Agreement on the Neutrality of Laos is signed.
August 5 » American actress Marilyn Monroe is found dead at her home from a drug overdose.
August 16 » Eight years after the remaining French India territories were handed to India, the ratifications of the treaty are exchanged to make the transfer official.
August 16 » Pete Best is discharged from The Beatles, to be replaced two days later by Ringo Starr.
November 24 » The influential British satirical television programme That Was the Week That Was is first broadcast.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I168240.php : accessed October 17, 2026), "Jan de Jong (1909-1962)".
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