The temperature on June 12, 1911 was between 1.8 °C and 17.8 °C and averaged 11.5 °C. There was 10.7 hours of sunshine (64%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
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.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
December 29 » Mongolia gains independence from the Qing dynasty, enthroning 8th Jebtsundamba Khutughtu as Khagan of Mongolia.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
Day of marriage August 21, 1936
The temperature on August 21, 1936 was between 12.4 °C and 20.5 °C and averaged 16.6 °C. There was 0.4 mm of rain during 0.3 hours. There was 0.9 hours of sunshine (6%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 8 » Kashf-e hijab decree is made and immediately enforced by Reza Shah, Iran's head of state, banning the wearing of Islamic veils in public.
March 7 » Prelude to World War II: In violation of the Locarno Pact and the Treaty of Versailles, Germany reoccupies the Rhineland.
May 5 » Italian troops occupy Addis Ababa, Ethiopia.
May 28 » Alan Turing submits On Computable Numbers for publication.
July 6 » A major breach of the Manchester Bolton & Bury Canal in England sends millions of gallons of water cascading 200 feet (61m) into the River Irwell.
November 8 » Spanish Civil War: Francoist troops fail in their effort to capture Madrid, but begin the 3-year Siege of Madrid afterwards.
When copying data from this family tree, please include a reference to the origin: Tijs van den Brink, "Parentele of Geurt Jacobs", database, Genealogy Online (https://www.genealogieonline.nl/geurt-jacobs/I81205.php : accessed March 4, 2026), "Engeltje van Stormbroek (1911-)".
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