The temperature on May 12, 1915 was between 2.1 °C and 16.2 °C and averaged 10.6 °C. There was 5.0 mm of rain. There was 2.2 hours of sunshine (14%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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 21 » Kiwanis International is founded in Detroit.
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
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.
March 27 » Typhoid Mary, the first healthy carrier of disease ever identified in the United States is put in quarantine for the second time, where she would remain for the rest of her life.
May 17 » The last British Liberal Party government (led by H. H. Asquith) falls.
May 23 » World War I: Italy joins the Allies, fulfilling its part of the Treaty of London.
Day of death August 8, 1956
The temperature on August 8, 1956 was between 8.0 °C and 20.6 °C and averaged 15.3 °C. There was 9.4 hours of sunshine (62%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
April 3 » Hudsonville–Standale tornado: The western half of the Lower Peninsula of Michigan is struck by a deadly F5 tornado.
May 1 » The polio vaccine developed by Jonas Salk is made available to the public.
July 13 » The Dartmouth workshop is the first conference on artificial intelligence.
July 30 » A joint resolution of the U.S. Congress is signed by President Dwight D. Eisenhower, authorizing In God We Trust as the U.S. national motto.
November 3 » Hungarian Revolution: A new Hungarian government is formed, in which many members of banned non-Communist parties participate. During negotiations on Tököl Island ostensibly on Soviet troop withdrawal, the KGB arrests Pál Maléter and other Hungarian Revolutionary commanders, effectively decapitating the Revolution's military leadership. János Kádár and Ferenc Münnich form a counter-government in Moscow as Soviet troops ready for the final assault.
December 6 » A violent water polo match between Hungary and the USSR takes place during the 1956 Summer Olympics in Melbourne, against the backdrop of the Hungarian Revolution of 1956.
When copying data from this family tree, please include a reference to the origin: J. van Broekhoven, "Database Van Broekhoven", database, Genealogy Online (https://www.genealogieonline.nl/database-van-broekhoven/I46263.php : accessed January 27, 2026), "Rosa Leonie de Grauw (1915-1956)".
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