The temperature on June 18, 1911 was between 11.5 °C and 20.0 °C and averaged 15.8 °C. There was 7.8 mm of rain. There was 7.5 hours of sunshine (45%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 14 » Roald Amundsen's South Pole expedition makes landfall on the eastern edge of the Ross Ice Shelf.
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.
August 1 » Harriet Quimby takes her pilot's test and becomes the first U.S. woman to earn an Aero Club of America aviator's certificate.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
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.
November 19 » The Doom Bar in Cornwall claimed two ships, Island Maid and Angele, the latter killing the entire crew except the captain.
Day of marriage October 31, 1930
The temperature on October 31, 1930 was between 6.7 °C and 13.0 °C and averaged 10.4 °C. There was 0.6 mm of rain during 0.3 hours. There was 0.3 hours of sunshine (3%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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 6 » International Unemployment Day demonstrations globally initiated by the Comintern.
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.
May 24 » Amy Johnson lands in Darwin, Northern Territory, becoming the first woman to fly solo from England to Australia (she left on May 5 for the 11,000 mile flight).
June 1 » The Deccan Queen is introduced as first intercity train between Bombay VT (Now Mumbai CST) and Poona (Pune) to run on electric locomotives.
August 7 » The last confirmed lynching of blacks in the Northern United States occurs in Marion, Indiana; two men, Thomas Shipp and Abram Smith, are killed.
August 16 » The first British Empire Games were opened in Hamilton, Ontario by the Governor General of Canada, the Viscount Willingdon.
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/I166479.php : accessed February 15, 2026), "Anna Maria Boonstra (1911-)".
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