The temperature on February 9, 1911 was between -3.1 °C and 2.8 °C and averaged -0.5 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
May 23 » The New York Public Library is dedicated.
September 23 » Pilot Earle Ovington makes the first official airmail delivery in America under the authority of the United States Post Office Department
September 24 » His Majesty's Airship No. 1, Britain's first rigid airship, is wrecked by strong winds before her maiden flight at Barrow-in-Furness.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
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 death February 10, 1913
The temperature on February 10, 1913 was between 5.8 °C and 9.6 °C and averaged 7.0 °C. There was 1.3 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from February 12, 1908 to August 29, 1913 the cabinet Heemskerk, with Mr. Th. Heemskerk (AR) as prime minister.
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 5 » First Balkan War: The Battle of Lemnos begins; Greek admiral Pavlos Kountouriotis forces the Turkish fleet to retreat to its base within the Dardanelles, from which it did not venture for the rest of the war.
February 5 » Greek military aviators, Michael Moutoussis and Aristeidis Moraitinis perform the first naval air mission in history, with a Farman MF.7 hydroplane.
February 19 » Pedro Lascuráin becomes President of Mexico for 45 minutes; this is the shortest term to date of any person as president of any country.
June 4 » Emily Davison, a suffragette, runs out in front of King George V's horse at The Derby. She is trampled, never regains consciousness, and dies four days later.
August 28 » Queen Wilhelmina opens the Peace Palace in The Hague.
December 1 » Ford Motor Company introduces the first moving assembly line.
When copying data from this family tree, please include a reference to the origin: Michael Jacobs, "Family tree Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-michael-jacobs/I31350.php : accessed February 19, 2026), "Willemtje Koens (1911-1913)".
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