The temperature on April 25, 1907 was between 1.4 °C and 11.8 °C and averaged 6.7 °C. There was 1.6 mm of rain. There was 1.9 hours of sunshine (13%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northwest. Source: KNMI
In The Netherlands , there was from August 17, 1905 to February 11, 1908 the cabinet De Meester, with Mr. Th. de Meester (unie-liberaal) as prime minister.
February 5 » Belgian chemist Leo Baekeland announces the creation of Bakelite, the world's first synthetic plastic.
April 17 » The Ellis Island immigration center processes 11,747 people, more than on any other day.
June 22 » The London Underground's Charing Cross, Euston and Hampstead Railway opens.
August 17 » Pike Place Market, a popular tourist destination and registered historic district in Seattle, opened.
October 17 » Marconi begins the first commercial transatlantic wireless service.
December 10 » The worst night of the Brown Dog riots in London, when 1,000 medical students clash with 400 police officers over the existence of a memorial for animals that have been vivisected.
Day of marriage September 17, 1932
The temperature on September 17, 1932 was between 12.5 °C and 23.6 °C and averaged 17.0 °C. There was 6.4 hours of sunshine (51%). The average windspeed was 2 Bft (weak wind) and was prevailing from the southwest. Source: KNMI
In The Netherlands , there was from August 10, 1929 to May 26, 1933 the cabinet Ruys de Beerenbrouck III, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
February 4 » Second Sino-Japanese War: Harbin, Manchuria, falls to Japan.
May 12 » Ten weeks after his abduction, Charles Jr., the infant son of Charles Lindbergh, is found dead near Hopewell, New Jersey, just a few miles from the Lindberghs' home.
August 10 » A 5.1 kilograms (11lb) chondrite-type meteorite breaks into at least seven pieces and lands near the town of Archie in Cass County, Missouri.
November 24 » In Washington, D.C., the FBI Scientific Crime Detection Laboratory (better known as the FBI Crime Lab) officially opens.
December 18 » The Chicago Bears defeat the Portsmouth Spartans in the first NFL playoff game to win the NFL Championship.
December 25 » A magnitude 7.6 earthquake in Gansu, China kills 275 people.
Day of death September 3, 1974
The temperature on September 3, 1974 was between 11.6 °C and 18.8 °C and averaged 14.6 °C. There was 1.2 mm of rain during 0.3 hours. There was 7.8 hours of sunshine (58%). The partly clouded was. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from Friday, May 11, 1973 to Monday, December 19, 1977 the cabinet Den Uyl, with Drs. J.M. den Uyl (PvdA) as prime minister.
January 19 » China gains control over all the Paracel Islands after a military engagement between the naval forces of China and South Vietnam
February 23 » The Symbionese Liberation Army demands $4 million more to release kidnap victim Patty Hearst.
March 3 » Turkish Airlines Flight 981 crashes at Ermenonville near Paris, France killing all 346 aboard.
June 30 » The Baltimore municipal strike of 1974 begins.
July 30 » Watergate scandal: U.S. President Richard Nixon releases subpoenaed White House recordings after being ordered to do so by the Supreme Court of the United States.
August 30 » A Belgrade–Dortmund express train derails at the main train station in Zagreb killing 153 passengers.
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/I3228.php : accessed January 21, 2026), "Helena Petronella Hettinga (1907-1974)".
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