The temperature on March 15, 1911 was between -1.2 °C and 6.7 °C and averaged 2.8 °C. There was 1.5 mm of rain. There was 5.2 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 30 » The destroyer USSTerry makes the first airplane rescue at sea saving the life of Douglas McCurdy ten miles from Havana, Cuba.
February 18 » The first official flight with airmail takes place from Allahabad, United Provinces, British India (now India), when Henri Pequet, a 23-year-old pilot, delivers 6,500 letters to Naini, about 10 kilometres (6.2mi) away.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
Day of marriage May 10, 1930
The temperature on May 10, 1930 was between 3.6 °C and 13.8 °C and averaged 8.2 °C. There was 3.5 mm of rain during 4.5 hours. There was 5.3 hours of sunshine (34%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 12 » Mahatma Gandhi begins the Salt March, a 200-mile march to the sea to protest the British monopoly on salt in India.
April 22 » The United Kingdom, Japan and the United States sign the London Naval Treaty regulating submarine warfare and limiting shipbuilding.
May 7 » The 7.1 Mw Salmas earthquake shakes northwestern Iran and southeastern Turkey with a maximum Mercalli intensity of IX (Violent). Up to three-thousand people were killed.
September 8 » 3M begins marketing Scotch transparent tape.
November 11 » Patent number US1781541 is awarded to Albert Einstein and Leó Szilárd for their invention, the Einstein refrigerator.
December 29 » Sir Muhammad Iqbal's presidential address in Allahabad introduces the two-nation theory and outlines a vision for the creation of Pakistan.
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/I80562.php : accessed September 30, 2026), "Tjallina Henderika Wijkstra (1911-)".
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