The temperature on March 21, 1911 was between 0.7 °C and 14.3 °C and averaged 7.1 °C. There was 1.4 mm of rain. There was 2.4 hours of sunshine (20%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
January 29 » Mexican Revolution: Mexicali is captured by the Mexican Liberal Party, igniting the Magonista rebellion of 1911.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
June 28 » The Nakhla meteorite, the first one to suggest signs of aqueous processes on Mars, falls to Earth, landing in Egypt.
July 4 » A massive heat wave strikes the northeastern United States, killing 380 people in eleven days and breaking temperature records in several cities.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
December 14 » Roald Amundsen's team, comprising himself, Olav Bjaaland, Helmer Hanssen, Sverre Hassel, and Oscar Wisting, becomes the first to reach the South Pole.
Day of marriage August 11, 1934
The temperature on August 11, 1934 was between 10.0 °C and 18.5 °C and averaged 15.2 °C. There was 1.2 mm of rain during 0.4 hours. There was 4.5 hours of sunshine (30%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
January 26 » German–Polish Non-Aggression Pact is signed.
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).
August 19 » The German referendum of 1934 approves Hitler's appointment as head of state with the title of Führer.
September 18 » The Soviet Union is admitted to the League of Nations.
November 23 » An Anglo-Ethiopian boundary commission in the Ogaden discovers an Italian garrison at Walwal, well within Ethiopian territory. This leads to the Abyssinia Crisis.
November 30 » The LNER Class A3 4472 Flying Scotsman becomes the first steam locomotive to be authenticated as reaching 100mph.
When copying data from this family tree, please include a reference to the origin: Chris Merricks, "Merricks Tree", database, Genealogy Online (https://www.genealogieonline.nl/merricks-tree/I242298535350.php : accessed January 30, 2026), "Kaatje Jansen (1911-)".
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