The temperature on December 21, 1911 was between 4.6 °C and 8.1 °C and averaged 6.0 °C. There was 2.0 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
April 27 » Following the resignation and death of William P. Frye, a compromise is reached to rotate the office of President pro tempore of the United States Senate.
May 15 » More than 300 Chinese immigrants are killed in the Torreón massacre when the forces of the Mexican Revolution led by Emilio Madero take the city of Torreón from the Federales.
May 31 » The RMS Titanic is launched in Belfast, Northern Ireland.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
October 10 » The day after a bomb explodes prematurely, the Wuchang Uprising begins against the Chinese monarchy.
November 17 » Omega Psi Phi fraternity was founded on the campus of Howard University in Washington, D.C.
Day of marriage May 1, 1943
The temperature on May 1, 1943 was between 9.2 °C and 15.0 °C and averaged 11.5 °C. There was 3.1 mm of rain during 2.8 hours. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
February 14 » World War II: Tunisia Campaign: General Hans-Jürgen von Arnim's Fifth Panzer Army launches a concerted attack against Allied positions in Tunisia.
February 27 » The Smith Mine #3 in Bearcreek, Montana, explodes, killing 74 men.
June 1 » BOAC Flight 777 is shot down over the Bay of Biscay by German Junkers Ju 88s, killing British actor Leslie Howard and leading to speculation that it was actually an attempt to kill British Prime Minister Winston Churchill.
June 20 » World War II: The Royal Air Force launches Operation Bellicose, the first shuttle bombing raid of the war. Lancaster bombers damage the V-2 rocket production facilities at the Zeppelin Works while en route to an air base in Algeria.
September 3 » World War II: The Allied invasion of Italy begins on the same day that U.S. General Dwight D. Eisenhower and Italian Marshal Pietro Badoglio sign the Armistice of Cassibile aboard the Royal Navy battleship HMSNelson off Malta.
October 1 » World War II: After the Four Days of Naples, Allied troops enter the city.
When copying data from this family tree, please include a reference to the origin: Ben Wit, "Family tree Wit en andere families West-Friesland", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-wit/I1434.php : accessed January 18, 2026), "Roelof Hendrik Blauw (1911-1981)".
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