The temperature on December 29, 1914 was between 2.0 °C and 8.0 °C and averaged 4.6 °C. There was 6.1 mm of rain. The average windspeed was 6 Bft (strong 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.
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.
July 28 » In the culmination of the July Crisis, Austria-Hungary declares war on Serbia, igniting World War I.
August 20 » World War I: Brussels is captured during the German invasion of Belgium.
November 2 » World War I: The Russian Empire declares war on the Ottoman Empire and the Dardanelles are subsequently closed.
November 7 » The German colony of Kiaochow Bay and its centre at Tsingtao are captured by Japanese forces.
November 9 » SMSEmden is sunk by HMASSydney in the Battle of Cocos.
Day of death December 24, 1945
The temperature on December 24, 1945 was between 5.0 °C and 9.3 °C and averaged 6.8 °C. There was 4.5 mm of rain during 2.6 hours. There was 1.1 hours of sunshine (14%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the south. 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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
January 19 » World War II: Soviet forces liberate the Łódź Ghetto. Of more than 200,000 inhabitants in 1940, less than 900 had survived the Nazi occupation.
April 25 » The last German troops retreat from Finland's soil in Lapland, ending the Lapland War. Military acts of Second World War end in Finland.
May 8 » World War II: The German Instrument of Surrender signed at Reims comes into effect.
September 12 » The People's Republic of Korea is proclaimed, bringing an end to Japanese rule over Korea.
November 16 » UNESCO is founded.
December 24 » Five of nine children become missing after their home in Fayetteville, West Virginia, is burned down.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I4391.php : accessed January 25, 2026), "Willem Cornelis Roland (1914-1945)".
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