The average temperature on May 16, 1915 was 8.0 °C. There was 3.6 hours of sunshine (23%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
In The Netherlands , there was from August 29, 1913 to September 9, 1918 the cabinet Cort van der Linden, with Mr. P.W.A. Cort van der Linden (liberaal) as prime minister.
January 24 » World War I: British Grand Fleet battle cruisers under Vice-Admiral Sir David Beatty engage Rear-Admiral Franz von Hipper's battle cruisers in the Battle of Dogger Bank.
January 31 » World War I: Germany is the first to make large-scale use of poison gas in warfare in the Battle of Bolimów against Russia.
March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
April 22 » The use of poison gas in World War I escalates when chlorine gas is released as a chemical weapon in the Second Battle of Ypres.
May 7 » World War I: German submarine U-20 sinks RMS Lusitania, killing 1,198 people, including 128 Americans. Public reaction to the sinking turns many former pro-Germans in the United States against the German Empire.
July 7 » The First Battle of the Isonzo comes to an end.
Day of marriage May 2, 1944
The temperature on May 2, 1944 was between 8.0 °C and 15.5 °C and averaged 12.1 °C. There was 3.6 hours of sunshine (24%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
January 3 » World War II: Top Ace Major Greg "Pappy" Boyington is shot down in his Vought F4U Corsair by Captain Masajiro Kawato flying a Mitsubishi A6M Zero.
January 29 » In Bologna, Italy, the Anatomical theatre of the Archiginnasio is completely destroyed in an air-raid, during the Second World War.
August 1 » World War II: The Warsaw Uprising against the Nazi German occupation breaks out in Warsaw, Poland.
August 7 » IBM dedicates the first program-controlled calculator, the Automatic Sequence Controlled Calculator (known best as the Harvard Mark I).
September 18 » World War II: The British submarine HMSTradewind torpedoes Jun'yō Maru, killing 5,600, mostly slave labourers and POWs.
December 31 » World War II: Hungary declares war on Nazi Germany.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I404677.php : accessed January 8, 2026), "Johanna Maria "Johanna" de Lepper (1915-)".
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