The temperature on May 11, 1915 was between 3.3 °C and 19.0 °C and averaged 12.0 °C. There was 13.4 hours of sunshine (87%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-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.
January 19 » Georges Claude patents the neon discharge tube for use in advertising.
May 24 » World War I: Italy declares war on Austria-Hungary, joining the conflict on the side of the Allies.
July 25 » RFC Captain Lanoe Hawker becomes the first British pursuit aviator to earn the Victoria Cross.
September 25 » World War I: The Second Battle of Champagne begins.
October 14 » World War I: Bulgaria joins the Central Powers.
November 25 » Albert Einstein presents the field equations of general relativity to the Prussian Academy of Sciences.
Day of marriage May 29, 1937
The temperature on May 29, 1937 was between 9.6 °C and 24.6 °C and averaged 17.4 °C. There was 14.0 hours of sunshine (86%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
January 15 » Spanish Civil War: Nationalists and Republican both withdraw after suffering heavy losses, ending the Second Battle of the Corunna Road.
May 21 » A Soviet station, North Pole-1, becomes the first scientific research settlement to operate on the drift ice of the Arctic Ocean.
June 11 » Great Purge: The Soviet Union under Joseph Stalin executes eight army leaders.
July 5 » Spam, the luncheon meat, is introduced into the market by the Hormel Foods Corporation.
December 9 » Second Sino-Japanese War: Battle of Nanking: Japanese troops under the command of Lt. Gen. Asaka Yasuhiko launch an assault on the Chinese city of Nanjing (Nanking).
December 13 » Second Sino-Japanese War: Battle of Nanking: The city of Nanjing, defended by the National Revolutionary Army under the command of General Tang Shengzhi, falls to the Japanese. This is followed by the Nanking Massacre, in which Japanese troops rape and slaughter hundreds of thousands of civilians.
Day of death January 1, 1994
The temperature on January 1, 1994 was between 1.1 °C and 5.5 °C and averaged 3.1 °C. There was 0.4 mm of rain during 0.7 hours. There was 3.2 hours of sunshine (41%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the 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.
In The Netherlands , there was from Monday, August 22, 1994 to Monday, August 3, 1998 the cabinet a href="https://nl.wikipedia.org/wiki/Kabinet-Kok_I" class="extern">Kok I, with W. Kok (PvdA) as prime minister.
March 23 » Aeroflot Flight 593 crashed into the Kuznetsk Alatau mountain, Kemerovo Oblast, Russia, killing 75.
March 28 » In South Africa, African National Congress security guards kill dozens of Inkatha Freedom Party protesters.
May 18 » Israeli troops finish withdrawing from the Gaza Strip, ceding the area to the Palestinian National Authority to govern.
June 15 » Israel and Vatican City establish full diplomatic relations.
November 8 » Republican Revolution: On the night of the 1994 United States midterm elections, Republicans make historic electoral gains by securing massive majorities in both houses of congress (54 seats in the House and eight seats in the Senate, additionally). Thus bringing a close to four decades of Democratic domination.
November 13 » In a referendum, voters in Sweden decide to join the European Union.
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/I121255.php : accessed January 2, 2026), "Jan de Groot (1915-1994)".
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