The temperature on February 14, 1911 was between -3.9 °C and -1.4 °C and averaged -2.2 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
January 26 » Glenn Curtiss flies the first successful American seaplane.
January 30 » The destroyer USSTerry makes the first airplane rescue at sea saving the life of Douglas McCurdy ten miles from Havana, Cuba.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
October 5 » The Kowloon–Canton Railway commences service.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
Day of marriage February 20, 1931
The temperature on February 20, 1931 was between -6.1 °C and -1.7 °C and averaged -3.0 °C. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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 7 » Guy Menzies flies the first solo non-stop trans-Tasman flight (from Australia to New Zealand) in 11 hours and 45 minutes, crash-landing on New Zealand's west coast.
March 15 » SSViking explodes off Newfoundland, killing 27 of the 147 on board.
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.
September 18 » The Mukden Incident gives Japan a pretext to invade and occupy Manchuria.
October 1 » Clara Campoamor persuades the Constituent Cortes to enfranchise women in Spain's new constitution.
October 21 » A secret society in the Imperial Japanese Army launches an abortive coup d'état attempt.
When copying data from this family tree, please include a reference to the origin: W.J. Oving, "Family tree Oving", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-oving/I19116.php : accessed February 26, 2026), "Wilhelmina Elisabeth JOLINK (1911-)".
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