The temperature on July 9, 1907 was between 10.8 °C and 18.4 °C and averaged 14.3 °C. There was 0.1 mm of rain. There was 1.8 hours of sunshine (11%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the southwest. 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.
June 22 » The London Underground's Charing Cross, Euston and Hampstead Railway opens.
July 29 » Sir Robert Baden-Powell sets up the Brownsea Island Scout camp in Poole Harbour on the south coast of England. The camp runs from August 1 to August 9 and is regarded as the foundation of the Scouting movement.
August 9 » The first Boy Scout encampment concludes at Brownsea Island in southern England.
December 8 » King Gustaf V of Sweden accedes to the Swedish throne.
December 17 » Ugyen Wangchuck is crowned first King of Bhutan.
December 21 » The Chilean Army commits a massacre of at least 2,000 striking saltpeter miners in Iquique, Chile.
Day of marriage September 25, 1940
The temperature on September 25, 1940 was between 4.3 °C and 15.9 °C and averaged 9.7 °C. There was 5.1 hours of sunshine (42%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. 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.
May 24 » Igor Sikorsky performs the first successful single-rotor helicopter flight.
June 15 » World War II: Operation Ariel begins: Allied troops start to evacuate France, following Germany's takeover of Paris and most of the nation.
June 25 » World War II: The French armistice with Germany comes into effect.
July 2 » Indian independence leader Subhas Chandra Bose is arrested and detained in Calcutta.
September 19 » World War II: Witold Pilecki is voluntarily captured and sent to Auschwitz to smuggle out information and start a resistance movement.
November 12 » World War II: The Battle of Gabon ends as Free French Forces take Libreville, Gabon, and all of French Equatorial Africa from Vichy French forces.
Day of death September 30, 1975
The temperature on September 30, 1975 was between 13.7 °C and 24.3 °C and averaged 17.4 °C. There was 2.3 mm of rain during 1.6 hours. There was 2.7 hours of sunshine (23%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. 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 30 » The Monitor National Marine Sanctuary is established as the first United States National Marine Sanctuary.
June 1 » The Patriotic Union of Kurdistan was founded by Jalal Talabani, Nawshirwan Mustafa, Fuad Masum and others.
September 8 » Gays in the military: US Air Force Tech Sergeant Leonard Matlovich, a decorated veteran of the Vietnam War, appears in his Air Force uniform on the cover of Time magazine with the headline "I Am A Homosexual". He is given a general discharge, later upgraded to honorable.
September 22 » Sara Jane Moore tries to assassinate U.S. President Gerald Ford, but is foiled by the Secret Service.
October 16 » Indonesian troops kill the Balibo Five, a group of Australian journalists, Portuguese Timor.
October 16 » The Australian Coalition sparks a constitutional crisis when they vote to defer funding for the government's annual budget.
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/I4127.php : accessed January 26, 2026), "Melis Adrianus Wolff (1907-1975)".
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