The temperature on April 4, 1918 was between 6.1 °C and 11.6 °C and averaged 8.5 °C. There was 6.7 mm of rain. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-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.
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 29 » Ukrainian–Soviet War: The Bolshevik Red Army, on its way to besiege Kiev, is met by a small group of military students at the Battle of Kruty.
February 24 » Estonian Declaration of Independence.
August 16 » The Battle of Lake Baikal was fought between the Czechoslovak Legion and the Red Army.
October 3 » King Boris III of Bulgaria accedes to the throne.
October 29 » The German High Seas Fleet is incapacitated when sailors mutiny on the night of the 29th-30th, an action which would trigger the German Revolution of 1918–19.
November 3 » The German Revolution of 1918–19 begins when 40,000 sailors take over the port in Kiel.
Day of death January 11, 1944
The temperature on January 11, 1944 was between 0.6 °C and 4.0 °C and averaged 2.2 °C. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. 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.
February 22 » World War II: American aircraft mistakenly bomb the Dutch towns of Nijmegen, Arnhem, Enschede and Deventer, resulting in 800 dead in Nijmegen alone.
March 6 » World War II: Soviet Air Forces bomb an evacuated town of Narva in German-occupied Estonia, destroying the entire historical Swedish-era town.
June 10 » World War II: Six hundred forty-two men, women and children massacred at Oradour-sur-Glane, France.
July 7 » World War II: Largest Banzai charge of the Pacific War at the Battle of Saipan.
August 21 » Dumbarton Oaks Conference, prelude to the United Nations, begins.
October 15 » World War II: Germany replaces the Hungarian government after it announces an armistice with the Soviet Union.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I53908.php : accessed February 25, 2026), "Roelf Wijnholds (1918-1944)".
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