The temperature on June 18, 1915 was between 4.7 °C and 16.6 °C and averaged 11.0 °C. There was 2.8 hours of sunshine (17%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. 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 18 » Japan issues the "Twenty-One Demands" to the Republic of China in a bid to increase its power in East Asia.
July 5 » The Liberty Bell leaves Philadelphia by special train on its way to the Panama–Pacific International Exposition. This is the last trip outside Philadelphia that the custodians of the bell intend to permit.
August 4 » World War I: The German 12th Army occupies Warsaw during the Gorlice–Tarnów Offensive and the Great Retreat of 1915.
September 5 » The pacifist Zimmerwald Conference begins.
October 13 » First World War: The Battle of the Hohenzollern Redoubt marks the end of the Battle of Loos.
December 20 » World War I: The last Australian troops are evacuated from Gallipoli.
Day of marriage December 10, 1941
The temperature on December 10, 1941 was between 7.7 °C and 11.4 °C and averaged 9.6 °C. There was 3.4 mm of rain during 7.5 hours. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from September 3, 1940 to July 27, 1941 the cabinet Gerbrandy I, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
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 13 » A pact of neutrality between the USSR and Japan is signed.
April 27 » World War II: German troops enter Athens.
September 28 » World War II: The Drama uprising against the Bulgarian occupation in northern Greece begins.
November 12 » World War II: Temperatures around Moscow drop to -12°C as the Soviet Union launches ski troops for the first time against the freezing German forces near the city.
December 9 » World War II: China, Cuba, Guatemala, and the Philippine Commonwealth declare war on Germany and Japan.
December 11 » World War II: Germany and Italy declare war on the United States, following the Americans' declaration of war on the Empire of Japan in the wake of the attack on Pearl Harbor. The United States, in turn, declares war on them.
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/I165362.php : accessed October 6, 2026), "Lammert de Boer (1915-)".
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