The temperature on April 30, 1910 was between 1.1 °C and 11.3 °C and averaged 6.5 °C. There was 9.2 hours of sunshine (62%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. Source: KNMI
March 28 » Henri Fabre becomes the first person to fly a seaplane, the Fabre Hydravion, after taking off from a water runway near Martigues, France.
May 31 » The South Africa Act comes into force, establishing the Union of South Africa.
June 25 » The United States Congress passes the Mann Act, which prohibits interstate transport of women or girls for “immoral purposes”; the ambiguous language would be used to selectively prosecute people for years to come.
July 4 » The Johnson–Jeffries riots occur after African-American boxer Jack Johnson knocks out white boxer Jim Jeffries in the 15th round. Between 11 and 26 people are killed and hundreds more injured.
November 7 » The first air freight shipment (from Dayton, Ohio, to Columbus, Ohio) is undertaken by the Wright brothers and department store owner Max Moorehouse.
December 21 » An underground explosion at the Hulton Bank Colliery No. 3 Pit in Over Hulton, Westhoughton, England, kills 344 miners.
Day of death November 21, 1944
The temperature on November 21, 1944 was between 1.5 °C and 9.3 °C and averaged 6.2 °C. There was 0.5 mm of rain during 0.6 hours. There was 2.8 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 July 27, 1941 to February 23, 1945 the cabinet Gerbrandy II, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
April 22 » World War II: In Greenland, the Allied Sledge Patrol attack the German Bassgeiger weather station.
June 13 » World War II: Germany launches the first V1 Flying Bomb attack on England. Only four of the eleven bombs strike their targets.
July 17 » World War II: At Sainte-Foy-de-Montgommery in Normandy Field Marshal Erwin Rommel is seriously injured by allied aircraft while returning to his headquarters.
August 19 » World War II: Liberation of Paris: Paris, France rises against German occupation with the help of Allied troops.
September 4 » World War II: The British 11th Armoured Division liberates the Belgian city of Antwerp.
September 18 » World War II: The British submarine HMSTradewind torpedoes Jun'yō Maru, killing 5,600, mostly slave labourers and POWs.
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/I200267.php : accessed December 30, 2025), "Klaas Rengenier Datema (1910-1944)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.