The temperature on September 22, 1914 was between 6.7 °C and 17.4 °C and averaged 11.6 °C. There was 9.5 hours of sunshine (77%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. 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 1 » The SPT Airboat Line becomes the world's first scheduled airline to use a winged aircraft.
April 24 » The Franck–Hertz experiment, a pillar of quantum mechanics, is presented to the German Physical Society.
August 21 » World War I: The Battle of Charleroi, a successful German attack across the River Sambre that pre-empted a French offensive in the same area.
September 1 » The last known passenger pigeon, a female named Martha, dies in captivity in the Cincinnati Zoo.
October 9 » World War I: The Siege of Antwerp comes to an end.
November 1 » World War I: The first British Royal Navy defeat of the war with Germany, the Battle of Coronel, is fought off of the western coast of Chile, in the Pacific, with the loss of HMSGood Hope and HMSMonmouth.
Day of marriage August 16, 1945
The temperature on August 16, 1945 was between 11.5 °C and 18.9 °C and averaged 15.2 °C. There was 0.8 mm of rain during 0.2 hours. There was 6.6 hours of sunshine (45%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the west-southwest. 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.
In The Netherlands , there was from February 23, 1945 to June 24, 1945 the cabinet Gerbrandy III, with Prof. dr. P.S. Gerbrandy (ARP) as prime minister.
From June 24, 1945 till July 3, 1946 the Netherlands had a cabinet Schermerhorn - Drees with the prime ministers Prof. ir. W. Schermerhorn (VDB) and W. Drees (PvdA).
January 3 » World War II: Admiral Chester W. Nimitz is placed in command of all U.S. Naval forces in preparation for planned assaults against Iwo Jima and Okinawa in Japan.
January 17 » World War II: The Vistula–Oder Offensive forces German troops out of Warsaw.
July 17 » World War II: The main three leaders of the Allied nations, Winston Churchill, Harry S. Truman and Joseph Stalin, meet in the German city of Potsdam to decide the future of a defeated Germany.
September 5 » Iva Toguri D'Aquino, a Japanese American suspected of being wartime radio propagandist Tokyo Rose, is arrested in Yokohama.
October 15 » The former premier of Vichy France, Pierre Laval, is executed for treason.
December 19 » John Amery, British Fascist, is executed at the age of 33 by the British Government for treason.
Day of death June 1, 1986
The temperature on June 1, 1986 was between 8.8 °C and 13.3 °C and averaged 11.3 °C. There was 1.0 mm of rain during 1.9 hours. The heavily clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Thursday, November 4, 1982 to Monday, July 14, 1986 the cabinet Lubbers I, with Drs. R.F.M. Lubbers (CDA) as prime minister.
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
January 11 » The Gateway Bridge, Brisbane, Queensland, Australia is officially opened.
January 23 » The Rock and Roll Hall of Fame inducts its first members: Little Richard, Chuck Berry, James Brown, Ray Charles, Sam Cooke, Fats Domino, The Everly Brothers, Buddy Holly, Jerry Lee Lewis and Elvis Presley.
January 25 » The National Resistance Movement topples the government of Tito Okello in Uganda.
June 22 » The famous Hand of God goal, scored by Diego Maradona in the quarter-finals of the 1986 FIFA World Cup match between Argentina and England, ignites controversy. This was later followed by the Goal of the Century. Argentina wins 2–1 and later goes on to win the World Cup.
June 30 » The U.S. Supreme Court rules in Bowers v. Hardwick that states can outlaw homosexual acts between consenting adults.
October 29 » British Prime Minister Margaret Thatcher opens the last stretch of the M25 motorway.
When copying data from this family tree, please include a reference to the origin: Hans Opperman, "Family tree Opperman", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-opperman/I3255.php : accessed March 5, 2026), "Agatha Veronica "Agatha" Hettinga (1914-1986)".
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