The temperature on January 22, 1915 was between -2.2 °C and 4.9 °C and averaged 1.9 °C. There was 0.9 mm of rain. There was 2.2 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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.
February 12 » In Washington, D.C., the first stone of the Lincoln Memorial is put into place.
February 19 » World War I: The first naval attack on the Dardanelles begins when a strong Anglo-French task force bombards Ottoman artillery along the coast of Gallipoli.
March 18 » World War I: During the Battle of Gallipoli, three battleships are sunk during a failed British and French naval attack on the Dardanelles.
March 20 » Albert Einstein publishes his general theory of relativity.
April 25 » World War I: The Battle of Gallipoli begins: The invasion of the Turkish Gallipoli Peninsula by British, French, Indian, Newfoundland, Australian and New Zealand troops, begins with landings at Anzac Cove and Cape Helles.
July 16 » At Treasure Island on the Delaware River in the United States, the First Order of the Arrow ceremony takes place and the Order of the Arrow is founded to honor American Boy Scouts who best exemplify the Scout Oath and Law.
Day of marriage November 10, 1937
The temperature on November 10, 1937 was between 1.8 °C and 8.6 °C and averaged 4.7 °C. There was 7.9 mm of rain during 4.6 hours. There was 3.0 hours of sunshine (33%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
February 11 » The Flint sit-down strike ends when General Motors recognizes the United Auto Workers trade union.
April 1 » The Royal New Zealand Air Force is formed as an independent service.
May 26 » Walter Reuther and members of the United Auto Workers (UAW) clashed with Ford Motor Company security guards at the River Rouge Complex complex in Dearborn, Michigan, during the Battle of the Overpass.
July 7 » The Peel Commission Report recommends the partition of Palestine, which was the first formal recommendation for partition in the history of Palestine.
September 22 » Spanish Civil War: Peña Blanca is taken, ending the Battle of El Mazuco.
November 9 » Second Sino-Japanese War: The Chinese Army withdraws from the Battle of Shanghai.
Day of death August 20, 1972
The temperature on August 20, 1972 was between 12.0 °C and 20.0 °C and averaged 15.9 °C. There was -0.1 mm of rain during 0.1 hours. There was 10.4 hours of sunshine (72%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-northwest. Source: KNMI
In The Netherlands , there was from April 5, 1967 to Tuesday, July 6, 1971 the cabinet Biesheuvel I, with Mr. B.W. Biesheuvel (ARP) as prime minister.
In The Netherlands , there was from Thursday, July 20, 1972 to Friday, May 11, 1973 the cabinet Biesheuvel II, with Mr. B.W. Biesheuvel (ARP) as prime minister.
March 20 » The Troubles: The first Provisional IRA car bombing in Belfast kills seven people and injures 148 others in Northern Ireland.
June 8 » Vietnam War: Nine-year-old Phan Thị Kim Phúc is burned by napalm, an event captured by Associated Press photographer Nick Ut moments later while the young girl is seen running down a road, in what would become an iconic, Pulitzer Prize-winning photo.
June 17 » Watergate scandal: Five White House operatives are arrested for burgling the offices of the Democratic National Committee during an attempt by members of the administration of President Richard M. Nixon to illegally wiretap the political opposition as part of a broader campaign to subvert the democratic process.
September 5 » Munich massacre: A Palestinian terrorist group called "Black September" attacks and takes hostage 11 Israeli athletes at the Munich Olympic Games. Two die in the attack and nine are murdered the following day.
November 7 » US President Richard Nixon is re-elected President.
December 30 » Vietnam War: The United States halts heavy bombing of North Vietnam.
When copying data from this family tree, please include a reference to the origin: Alfred Groot, "Family tree Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-groot/I981.php : accessed February 21, 2026), "Sjoerd Gerrit Groot (1915-1972)".
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