The temperature on May 15, 1918 was between 4.5 °C and 20.7 °C and averaged 13.1 °C. There was 0.1 mm of rain. There was 5.8 hours of sunshine (37%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south east. 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 28 » Finnish Civil War: The Red Guard rebels seize control of the capital, Helsinki; members of the Senate of Finland go underground.
February 6 » British women over the age of 30 who meet minimum property qualifications, get the right to vote when Representation of the People Act 1918 is passed by Parliament.
March 31 » Daylight saving time goes into effect in the United States for the first time.
March 31 » Massacre of ethnic Azerbaijanis is committed by allied armed groups of Armenian Revolutionary Federation and Bolsheviks. Nearly 12,000 Azerbaijani Muslims are killed.
October 1 » Sayid Abdullah becomes the last Khan of Khiva.
December 16 » Vincas Mickevičius-Kapsukas declares the formation of the Lithuanian Soviet Socialist Republic; it is dissolved in 1919.
Day of marriage July 26, 1941
The temperature on July 26, 1941 was between 17.6 °C and 28.3 °C and averaged 21.9 °C. There was 8.9 hours of sunshine (56%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south-southeast. 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 1 » Fântâna Albă massacre: Between 200 and 2,000 Romanian civilians are killed by Soviet Border Troops.
May 1 » World War II: German forces launch a major attack during the siege of Tobruk.
May 10 » World War II: Rudolf Hess parachutes into Scotland to try to negotiate a peace deal between the United Kingdom and Nazi Germany.
August 22 » World War II: German troops begin the Siege of Leningrad.
November 14 » World War II: In Slonim, German forces engaged in Operation Barbarossa murder 9,000 Jews in a single day.
December 6 » World War II: The United Kingdom and Canada declare war on Finland in support of the Soviet Union during the Continuation War. Camp X opens in Canada to begin training Allied Secret Agents for the War.
Day of death September 12, 1992
The temperature on September 12, 1992 was between 8.5 °C and 17.8 °C and averaged 12.6 °C. There was 5.3 hours of sunshine (41%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Tuesday, November 7, 1989 to Monday, August 22, 1994 the cabinet Lubbers III, with Drs. R.F.M. Lubbers (CDA) as prime minister.
April 13 » Basements throughout the Chicago Loop are flooded, forcing the Chicago Board of Trade Building and the Chicago Mercantile Exchange to close.
July 19 » A car bomb kills Judge Paolo Borsellino and five members of his escort.
September 2 » The 7.7 Mw Nicaragua earthquake affected the west coast of Nicaragua. With a Ms–Mw disparity of half a unit, this tsunami earthquake triggered a tsunami that caused most of the damage and casualties, with at least 116 killed. Typical runup heights were 3–8 meters (9.8–26.2ft).
October 2 » Military police storm the Carandiru Penitentiary in São Paulo, Brazil during a prison riot. The resulting massacre leaves 111 prisoners dead.
October 4 » The Rome General Peace Accords end a 16-year civil war in Mozambique.
December 4 » Somali Civil War: President George H. W. Bush orders 28,000 U.S. troops to Somalia in Northeast Africa.
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/I176498.php : accessed October 24, 2026), "Ytje de Groot (1918-1992)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.