The temperature on December 26, 1912 was between 3.2 °C and 9.0 °C and averaged 6.4 °C. There was 10.5 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the south-southwest. Source: KNMI
January 5 » The 6th All-Russian Conference of the Russian Social Democratic Labour Party (Prague Party Conference) opens. In the course of the conference, Vladimir Lenin and his supporters break from the rest of the party to form the Bolshevik movement.
January 23 » The International Opium Convention is signed at The Hague.
March 30 » Sultan Abd al-Hafid signs the Treaty of Fez, making Morocco a French protectorate.
April 16 » Harriet Quimby becomes the first woman to fly an airplane across the English Channel.
May 8 » Paramount Pictures is founded.
December 3 » Bulgaria, Greece, Montenegro, and Serbia (the Balkan League) sign an armistice with the Ottoman Empire, temporarily halting the First Balkan War. (The armistice will expire on February 3, 1913, and hostilities will resume.)
Day of marriage May 25, 1940
The temperature on May 25, 1940 was between 8.7 °C and 25.2 °C and averaged 17.8 °C. There was 10.1 hours of sunshine (63%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south east. Source: KNMI
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
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.
June 14 » Seven hundred twenty-eight Polish political prisoners from Tarnów become the first inmates of the Auschwitz concentration camp.
September 9 » Treznea Massacre in Transylvania.
November 5 » Franklin D. Roosevelt is the first and only President of the United States to be elected to a third term.
November 20 » World War II: Hungary becomes a signatory of the Tripartite Pact, officially joining the Axis powers.
December 9 » World War II: Operation Compass: British and Indian troops under the command of Major-General Richard O'Connor attack Italian forces near Sidi Barrani in Egypt.
Day of death April 22, 2003
The temperature on April 22, 2003 was between 5.0 °C and 17.5 °C and averaged 11.7 °C. There was 0.1 mm of rain during 0.2 hours. There was 10.0 hours of sunshine (70%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from Monday, July 22, 2002 to Tuesday, May 27, 2003 the cabinet Balkenende I, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
In The Netherlands , there was from Tuesday, May 27, 2003 to Friday, July 7, 2006 the cabinet Balkenende II, with Mr.dr. J.P. Balkenende (CDA) as prime minister.
March 1 » The International Criminal Court holds its inaugural session in The Hague.
March 16 » American activist Rachel Corrie is killed in Rafah trying to obstruct the demolition of a home by being run over by a bulldozer.
August 19 » A suicide attack on a bus in Jerusalem, Israel, planned by Hamas, kills 23 Israelis, seven of them children, in the Shmuel HaNavi bus bombing.
October 15 » China launches Shenzhou 5, its first manned space mission.
November 22 » Baghdad DHL attempted shootdown incident: Shortly after takeoff, a DHL Express cargo plane is struck on the left wing by a surface-to-air missile and forced to land.
December 23 » PetroChina Chuandongbei natural gas field explosion, Guoqiao, Kai County, Chongqing, China, killing at least 234.
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/I119869.php : accessed October 25, 2026), "Sytze de Groot (1912-2003)".
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