The temperature on May 12, 1914 was between 3.3 °C and 11.9 °C and averaged 6.9 °C. There was 4.5 mm of rain. There was 1.3 hours of sunshine (8%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northwest. 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.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
May 17 » The Protocol of Corfu is signed, recognising full autonomy to Northern Epirus under nominal Albanian sovereignty.
July 23 » Austria-Hungary issues a series of demands in an ultimatum to the Kingdom of Serbia demanding Serbia to allow the Austrians to determine who assassinated Archduke Franz Ferdinand. Serbia accepts all but one of those demands and Austria declares war on July 28.
August 15 » A servant of American architect Frank Lloyd Wright murders seven people and sets fire to the living quarters of Wright's Wisconsin home, Taliesin.
September 11 » World War I: Australia invades German New Guinea, defeating a German contingent at the Battle of Bita Paka.
December 16 » World War I: Admiral Franz von Hipper commands a raid on Scarborough, Hartlepool and Whitby.
Day of marriage March 25, 1943
The temperature on March 25, 1943 was between 10.5 °C and 18.3 °C and averaged 13.2 °C. There was 2.0 mm of rain during 4.2 hours. There was 2.0 hours of sunshine (16%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south 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 18 » World War II: The Nazis arrest the members of the White Rose movement.
March 21 » Wehrmacht officer Rudolf von Gersdorff plots to assassinate Adolf Hitler by using a suicide bomb, but the plan falls through; von Gersdorff is able to defuse the bomb in time and avoid suspicion.
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.
September 5 » World War II: The 503rd Parachute Infantry Regiment lands and occupies Lae Nadzab Airport, near Lae in the Salamaua–Lae campaign.
September 8 » World War II: United States General Dwight D. Eisenhower publicly announces the armistice with Italy.
October 6 » World War II: Thirteen civilians are burnt alive by a paramilitary group in Crete.
Day of death May 12, 1995
The temperature on May 12, 1995 was between 5.2 °C and 12.6 °C and averaged 8.4 °C. There was -0.1 mm of rain. There was 1.2 hours of sunshine (8%). The heavily clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
January 1 » The World Trade Organization comes into being.
May 17 » Shawn Nelson steals an M60 tank from the California Army National Guard Armory in San Diego and proceeds to go on a rampage.
June 5 » The Bose–Einstein condensate is first created.
October 15 » Marco Campos dies in a race at the Circuit de Nevers Magny-Cours, the only driver ever killed in the International Formula 3000 series.
October 15 » Saddam Hussein is reelected president of Iraq through a referendum.
November 6 » Cleveland Browns relocation controversy: Art Modell announces that he signed a deal that would relocate the Cleveland Browns to Baltimore.
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/I122852.php : accessed October 19, 2026), "Gerben Helder (1914-1995)".
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