The temperature on July 21, 1910 was between 14.2 °C and 17.7 °C and averaged 15.9 °C. There was 13.1 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. Source: KNMI
March 1 » The deadliest avalanche in United States history buries a Great Northern Railway train in northeastern King County, Washington, killing 96 people.
April 12 » SMSZrínyi, one of the last pre-dreadnought battleships built by the Austro-Hungarian Navy, is launched.
June 2 » Charles Rolls, a co-founder of Rolls-Royce Limited, becomes the first man to make a non-stop double crossing of the English Channel by plane.
August 29 » The Japan–Korea Treaty of 1910, also known as the Japan–Korea Annexation Treaty, becomes effective, officially starting the period of Japanese rule in Korea.
October 6 » Eleftherios Venizelos is elected prime minister of Greece for the first of seven times.
November 23 » Johan Alfred Ander becomes the last person to be executed in Sweden.
Day of marriage January 26, 1939
The temperature on January 26, 1939 was between 0.2 °C and 3.9 °C and averaged 2.4 °C. There was 4.7 mm of rain during 5.4 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
July 4 » Lou Gehrig, recently diagnosed with Amyotrophic lateral sclerosis, informs a crowd at Yankee Stadium that he considers himself "The luckiest man on the face of the earth", then announces his retirement from major league baseball.
August 2 » Albert Einstein and Leo Szilard write a letter to Franklin D. Roosevelt, urging him to begin the Manhattan Project to develop a nuclear weapon.
August 15 » Twenty-six Junkers Ju 87 bombers commanded by Walter Sigel meet unexpected ground fog during a dive-bombing demonstration for Luftwaffe generals at Neuhammer. Thirteen of them crash and burn.
September 1 » The Wound Badge for Wehrmacht, SS, Kriegsmarine, and Luftwaffe soldiers is instituted. The final version of the Iron Cross is also instituted on this date.
September 30 » World War II: General Władysław Sikorski becomes prime minister of the Polish government-in-exile.
December 4 » World War II: HMSNelson is struck by a mine (laid by U-31) off the Scottish coast and is laid up for repairs until August 1940.
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/I168161.php : accessed October 19, 2026), "Sybren de Boer (1910-)".
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