The temperature on October 6, 1911 was between 3.1 °C and 16.4 °C and averaged 9.6 °C. There was 7.5 hours of sunshine (66%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
March 29 » The M1911 .45 ACP pistol becomes the official U.S. Army side arm.
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).
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
When copying data from this family tree, please include a reference to the origin: Annemarie Kalishoek, "Family tree De Koning", database, Genealogy Online (https://www.genealogieonline.nl/de-koning-stamboom/R293.php : accessed February 4, 2026), "Hendricus de Koning (1911-)".
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