The temperature on September 18, 1911 was between 8.1 °C and 19.0 °C and averaged 13.4 °C. There was 6.4 hours of sunshine (51%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 3 » A gun battle in the East End of London left two dead and sparked a political row over the involvement of then-Home Secretary Winston Churchill.
April 2 » The Australian Bureau of Statistics conducts the country's first national census.
April 8 » Dutch physicist Heike Kamerlingh Onnes discovers superconductivity.
June 22 » Mexican Revolution: Government forces bring an end to the Magonista rebellion of 1911 in the Second Battle of Tijuana.
July 24 » Hiram Bingham III re-discovers Machu Picchu, "the Lost City of the Incas".
August 24 » Manuel de Arriaga is elected and sworn-in as the first President of Portugal.
Day of death December 14, 1918
The temperature on December 14, 1918 was between 8.6 °C and 11.6 °C and averaged 10.2 °C. There was 13.7 mm of rain. The average windspeed was 3 Bft (moderate breeze) 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.
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
January 25 » The Ukrainian People's Republic declares independence from Soviet Russia.
March 21 » World War I: The first phase of the German Spring Offensive, Operation Michael, begins.
April 21 » World War I: German fighter ace Manfred von Richthofen, better known as "The Red Baron", is shot down and killed over Vaux-sur-Somme in France.
May 9 » World War I: Germany repels Britain's second attempt to blockade the port of Ostend, Belgium.
May 29 » Armenia defeats the Ottoman Army in the Battle of Sardarabad.
June 24 » First airmail service in Canada from Montreal to Toronto.
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/I121660.php : accessed December 31, 2025), "Jannetje de Haan (1911-1918)".
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