The temperature on May 13, 1911 was between 11.4 °C and 22.5 °C and averaged 16.9 °C. There was 7.0 hours of sunshine (45%). 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.
April 29 » Tsinghua University, one of mainland China's leading universities, is founded.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
December 27 » "Jana Gana Mana", the national anthem of India, is first sung in the Calcutta Session of the Indian National Congress.
Day of death October 5, 1934
The temperature on October 5, 1934 was between 8.0 °C and 15.7 °C and averaged 11.9 °C. There was 2.6 mm of rain during 1.2 hours. There was 7.3 hours of sunshine (64%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 21 » The "Surgeon's Photograph", the most famous photo allegedly showing the Loch Ness Monster, is published in the Daily Mail (in 1999, it is revealed to be a hoax).
June 30 » The Night of the Long Knives, Adolf Hitler's violent purge of his political rivals in Germany, takes place.
July 5 » "Bloody Thursday": Police open fire on striking longshoremen in San Francisco.
August 11 » The first civilian prisoners arrive at the Federal prison on Alcatraz Island.
September 18 » The Soviet Union is admitted to the League of Nations.
December 29 » Japan renounces the Washington Naval Treaty of 1922 and the London Naval Treaty of 1930.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I511688.php : accessed January 28, 2026), "Geert Abrahams (± 1885-1934)".
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