The temperature on October 5, 1911 was between 7.1 °C and 11.9 °C and averaged 9.8 °C. There was 1.2 mm of rain. There was 0.1 hours of sunshine (1%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
May 31 » The President of Mexico Porfirio Díaz flees the country during the Mexican Revolution.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
November 3 » Chevrolet officially enters the automobile market in competition with the Ford Model T.
November 11 » Many cities in the Midwestern United States break their record highs and lows on the same day as a strong cold front rolls through.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of marriage April 16, 1947
The temperature on April 16, 1947 was between 8.0 °C and 16.5 °C and averaged 11.0 °C. There was 4.1 hours of sunshine (29%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
January 3 » Proceedings of the U.S. Congress are televised for the first time.
January 15 » The Black Dahlia murder: the dismembered corpse of Elizabeth Short was found in Los Angeles.
February 21 » In New York City, Edwin Land demonstrates the first "instant camera", the Polaroid Land Camera, to a meeting of the Optical Society of America.
April 28 » Thor Heyerdahl and five crew mates set out from Peru on the Kon-Tiki to demonstrate that Peruvian natives could have settled Polynesia.
July 19 » Korean politician Lyuh Woon-hyung is assassinated.
October 1 » The North American F-86 Sabre flies for the first time.
Day of death September 7, 1971
The temperature on September 7, 1971 was between 8.3 °C and 22.5 °C and averaged 15.6 °C. There was 12.2 hours of sunshine (92%). The almost cloudless was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
February 8 » South Vietnamese ground troops launch an incursion into Laos to try to cut off the Ho Chi Minh trail and stop communist infiltration.
May 19 » Mars probe program: Mars 2 is launched by the Soviet Union.
May 31 » In accordance with the Uniform Monday Holiday Act passed by the U.S. Congress in 1968, observation of Memorial Day occurs on the last Monday in May for the first time, rather than on the traditional Memorial Day of May 30.
July 5 » The Twenty-sixth Amendment to the United States Constitution, lowering the voting age from 21 to 18 years, is formally certified by President Richard Nixon.
July 31 » Apollo program: Apollo 15 astronauts become the first to ride in a lunar rover.
December 3 » Indo-Pakistani War of 1971: Pakistan launches a pre-emptive strike against India and a full-scale war begins.
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/I116006.php : accessed October 24, 2026), "Ymkje Boersma (1911-1971)".
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