The temperature on September 30, 1911 was between 4.1 °C and 10.8 °C and averaged 8.8 °C. There was 11.3 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
January 5 » Kappa Alpha Psi, the world's third oldest and largest black fraternity, is founded at Indiana University.
January 15 » Palestinian Arabic-language Falastin newspaper founded.
March 25 » In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.
May 19 » Parks Canada, the world's first national park service, is established as the Dominion Parks Branch under the Department of the Interior.
October 24 » Orville Wright remains in the air nine minutes and 45 seconds in a glider at Kill Devil Hills, North Carolina.
December 9 » A mine explosion near Briceville, Tennessee, kills 84 miners despite rescue efforts led by the United States Bureau of Mines.
Day of marriage August 22, 1934
The temperature on August 22, 1934 was between 9.4 °C and 21.4 °C and averaged 15.5 °C. There was 0.1 mm of rain. There was 3.4 hours of sunshine (24%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 26 » German–Polish Non-Aggression Pact is signed.
February 21 » Augusto Sandino is executed.
July 2 » The Night of the Long Knives ends with the death of Ernst Röhm.
July 11 » Engelbert Zaschka of Germany flies his large human-powered aircraft, the Zaschka Human-Power Aircraft, about 20 meters at Berlin Tempelhof Airport without assisted take-off.
September 18 » The Soviet Union is admitted to the League of Nations.
December 11 » Bill Wilson, co-founder of Alcoholics Anonymous, takes his last drink and enters treatment for the final time.
When copying data from this family tree, please include a reference to the origin: Bob Smith, "Family tree Smith", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-smith/I29026.php : accessed March 17, 2026), "Leonardus Johannes Greven (1911-)".
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