The temperature on June 20, 1910 was between 9.8 °C and 22.0 °C and averaged 16.1 °C. There was 13.5 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
April 28 » Frenchman Louis Paulhan wins the 1910 London to Manchester air race, the first long-distance aeroplane race in England.
May 11 » An act of the U.S. Congress establishes Glacier National Park in Montana.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
June 25 » Igor Stravinsky's ballet The Firebird is premiered in Paris, bringing him to prominence as a composer.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
Day of marriage May 21, 1931
The temperature on May 21, 1931 was between 7.4 °C and 18.3 °C and averaged 12.8 °C. There was 1.0 mm of rain during 0.6 hours. There was 8.7 hours of sunshine (55%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
January 21 » Sir Isaac Isaacs is sworn in as the first Australian-born Governor-General of Australia.
February 3 » The Hawke's Bay earthquake, New Zealand's worst natural disaster, kills 258.
March 23 » Bhagat Singh, Shivaram Rajguru and Sukhdev Thapar are hanged for the killing of a deputy superintendent of police during the Indian independence movement.
May 7 » The stand-off between criminal Francis Crowley and 300 members of the New York Police Department takes place in his fifth-floor apartment on West 91st Street, New York City.
June 23 » Wiley Post and Harold Gatty take off from Roosevelt Field, Long Island in an attempt to circumnavigate the world in a single-engine plane.
July 16 » Emperor Haile Selassie signs the first constitution of Ethiopia.
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/I168707.php : accessed October 17, 2026), "Trijntje Hekstra (1910-)".
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