The temperature on November 15, 1910 was between 0.2 °C and 9.4 °C and averaged 4.7 °C. There was 3.9 hours of sunshine (44%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
June 17 » Aurel Vlaicu pilots an A. Vlaicu nr. 1 on its first flight.
July 15 » In his book Clinical Psychiatry, Emil Kraepelin gives a name to Alzheimer's disease, naming it after his colleague Alois Alzheimer.
September 20 » The ocean liner SSFrance, later known as the "Versailles of the Atlantic", is launched.
September 22 » The Duke of York's Picture House opens in Brighton, now the oldest continually operating cinema in Britain.
October 14 » English aviator Claude Grahame-White lands his aircraft on Executive Avenue near the White House in Washington, D.C.
Day of marriage May 15, 1933
The temperature on May 15, 1933 was between 4.8 °C and 12.9 °C and averaged 8.3 °C. There was 0.8 mm of rain during 1.0 hours. There was 5.1 hours of sunshine (33%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from May 26, 1933 to July 31, 1935 the cabinet Colijn II, with Dr. H. Colijn (ARP) as prime minister.
February 5 » Mutiny on Royal Netherlands Navy warship HNLMS De Zeven Provinciën off the coast of Sumatra, Dutch East Indies.
February 20 » The U.S. Congress approves the Blaine Act to repeal federal Prohibition in the United States, sending the Twenty-first Amendment to the United States Constitution to state ratifying conventions for approval.
March 23 » The Reichstag passes the Enabling Act of 1933, making Adolf Hitler dictator of Germany.
April 1 » English cricketer Wally Hammond set a record for the highest individual Test innings of 336 not out, during a Test match against New Zealand.
April 1 » The recently elected Nazis under Julius Streicher organize a one-day boycott of all Jewish-owned businesses in Germany, ushering in a series of anti-Semitic acts.
September 12 » Leó Szilárd, waiting for a red light on Southampton Row in Bloomsbury, conceives the idea of the nuclear chain reaction.
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/I101647.php : accessed October 13, 2026), "Jan van der Zwaag (1910-)".
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