The temperature on January 22, 1911 was between -2.2 °C and 0.2 °C and averaged -0.8 °C. There was 0.2 mm of rain. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
April 6 » During the Battle of Deçiq, Dedë Gjon Luli Dedvukaj, leader of the Malësori Albanians, raises the Albanian flag in the town of Tuzi, Montenegro, for the first time after George Kastrioti (Skanderbeg).
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
September 18 » Russian Premier Pyotr Stolypin is shot at the Kiev Opera House.
December 29 » Sun Yat-sen becomes the provisional President of the Republic of China; he formally takes office on January 1, 1912.
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/I79367.php : accessed May 7, 2025), "Willemtje van den Hoorn (1911-)".
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