The temperature on January 26, 1911 was between 6.4 °C and 10.7 °C and averaged 8.0 °C. There was 3.5 hours of sunshine (40%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 18 » Eugene B. Ely lands on the deck of the USSPennsylvania anchored in San Francisco Bay, the first time an aircraft landed on a ship.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
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.
September 1 » The armored cruiser Georgios Averof is commissioned into the Greek Navy. It now serves as a museum ship.
November 19 » The Doom Bar in Cornwall claimed two ships, Island Maid and Angele, the latter killing the entire crew except the captain.
December 24 » Lackawanna Cut-Off railway line opens in New Jersey and Pennsylvania.
Day of marriage May 19, 1934
The temperature on May 19, 1934 was between 2.0 °C and 19.8 °C and averaged 13.0 °C. There was 11.2 hours of sunshine (71%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
February 23 » Leopold III becomes King of Belgium.
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).
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.
July 25 » The Nazis assassinate Austrian Chancellor Engelbert Dollfuss in a failed coup attempt.
September 1 » The first Metro-Goldwyn-Mayer animated cartoon, The Discontented Canary, is released to movie theatres.
September 26 » The ocean liner RMSQueen Mary is launched.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I137992.php : accessed October 23, 2026), "Hendrik Visser (1911-)".
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