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 13 » The 6.7 Mw Avezzano earthquake shakes the Province of L'Aquila in Italy with a maximum Mercalli intensity of XI (Extreme), killing between 29,978–32,610.
February 22 » World War I: The Imperial German Navy institutes unrestricted submarine warfare.
September 12 » French soldiers rescue over 4,000 Armenian Genocide survivors stranded on Musa Dagh.
September 25 » World War I: The Second Battle of Champagne begins.
October 14 » World War I: Bulgaria joins the Central Powers.
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.
February 9 » World War II: The Cathedral of San Lorenzo in Genoa, Italy, is struck by a bomb which fails to detonate.
April 13 » A pact of neutrality between the USSR and Japan is signed.
May 20 » World War II: Battle of Crete: German paratroops invade Crete.
June 23 » The Lithuanian Activist Front declares independence from the Soviet Union and forms the Provisional Government of Lithuania; it lasts only briefly as the Nazis will occupy Lithuania a few weeks later.
June 27 » Romanian authorities launch one of the most violent pogroms in Jewish history in the city of Iași, resulting in the murder of at least 13,266 Jews.
July 20 » Soviet leader Joseph Stalin consolidates the Commissariats of Home Affairs and National Security to form the NKVD and names Lavrentiy Beria its chief.
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 7, 2026), "Lammert de Boer (1915-)".
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