The temperature on May 15, 1920 was between 3.9 °C and 15.5 °C and averaged 10.1 °C. There was 13.6 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
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.
February 2 » The Tartu Peace Treaty is signed between Estonia and Russia.
March 28 » Palm Sunday tornado outbreak of 1920 affects the Great Lakes region and Deep South states.
May 29 » The Louth flood of 1920 was a severe flash flooding in the Lincolnshire market town of Louth which occurred 29 May 1920, resulting in 23 fatalities in 20 minutes. It has been described as one of the most significant flood disasters in Britain during the 20th century.
October 30 » The Communist Party of Australia is founded in Sydney.
November 28 » FIDAC (The Interallied Federation of War Veterans Organisations), the first international organization of war veterans is established in Paris, France
November 28 » Irish War of Independence: Kilmichael Ambush: The Irish Republican Army ambush a convoy of British Auxiliaries and kill seventeen.
Day of marriage June 12, 1942
The temperature on June 12, 1942 was between 5.3 °C and 13.6 °C and averaged 10.7 °C. There was 5.7 mm of rain during 4.1 hours. There was 0.1 hours of sunshine (1%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east-northeast. 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.
January 31 » World War II: Allied forces are defeated by the Japanese at the Battle of Malaya and retreat to Singapore.
March 8 » World War II: Imperial Japanese Army forces gave ultimatum to Dutch East Indies Governor General Jonkheer Tjarda van Starkenborgh Stachouwer and KNIL Commander in Chief Lieutenant General Hein Ter Poorten, to unconditionally surrender.
April 26 » Benxihu Colliery accident in Manchukuo leaves 1549 Chinese miners dead.
May 8 » World War II: Gunners of the Ceylon Garrison Artillery on Horsburgh Island in the Cocos Islands rebel in the Cocos Islands Mutiny. Their mutiny is crushed and three of them are executed, the only British Commonwealth soldiers to be executed for mutiny during the Second World War.
July 18 » World War II: During the Beisfjord massacre in Norway, 15 Norwegian paramilitary guards help members of the SS to kill 288 political prisoners from Yugoslavia.
August 6 » Queen Wilhelmina of the Netherlands becomes the first reigning queen to address a joint session of the United States Congress.
Day of death December 17, 2001
The temperature on December 17, 2001 was between -5.7 °C and 4.7 °C and averaged -0.3 °C. There was 0.6 mm of rain during 1.3 hours. There was 3.3 hours of sunshine (43%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
January 15 » Wikipedia, a free wiki content encyclopedia, goes online.
March 16 » A series of bomb blasts that took place in the city of Shijiazhuang, China killed 108 people and injured 38 others, was the biggest mass murder in China in decades.
April 7 » Mars Odyssey is launched.
May 3 » The United States loses its seat on the U.N. Human Rights Commission for the first time since the commission was formed in 1947.
November 30 » Gary Ridgway is apprehended and charged with four murders as the Green River Killer.
December 11 » The People's Republic of China joins the World Trade Organization (WTO).
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I501943.php : accessed February 15, 2026), "Willempje Vroegop (1920-2001)".
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