The temperature on July 6, 1911 was between 9.9 °C and 25.7 °C and averaged 19.1 °C. There was 13.7 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
May 9 » The works of Gabriele D'Annunzio are placed in the Index of Forbidden Books by the Vatican.
May 30 » At the Indianapolis Motor Speedway, the first Indianapolis 500 ends with Ray Harroun in his Marmon Wasp becoming the first winner of the 500-mile auto race.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
June 22 » George V and Mary of Teck are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
July 7 » The United States, UK, Japan, and Russia sign the North Pacific Fur Seal Convention of 1911 banning open-water seal hunting, the first international treaty to address wildlife preservation issues.
October 5 » The Kowloon–Canton Railway commences service.
Day of marriage December 18, 1935
The temperature on December 18, 1935 was between -1.1 °C and 4.0 °C and averaged 1.3 °C. There was 1.1 mm of rain during 1.0 hours. There was 2.9 hours of sunshine (37%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 13 » A plebiscite in Saarland shows that 90.3% of those voting wish to join Nazi Germany.
March 21 » Shah of Iran Reza Shah Pahlavi formally asks the international community to call Persia by its native name, Iran.
April 14 » The Black Sunday dust storm, considered one of the worst storms of the Dust Bowl, swept across the Oklahoma and Texas panhandles and neighboring areas.
May 31 » A 7.7 Mw earthquake destroys Quetta in modern-day Pakistan killing 40,000.
September 15 » Nazi Germany adopts a new national flag bearing the swastika.
October 3 » Second Italo-Abyssinian War: Italy invades Ethiopia.
Day of death September 30, 1970
The temperature on September 30, 1970 was between 10.4 °C and 16.2 °C and averaged 13.2 °C. There was 8.5 mm of rain during 5.0 hours. There was -0.1 hours of sunshine (0%). The heavily clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the southwest. Source: KNMI
March 10 » Vietnam War: Captain Ernest Medina is charged by the U.S. military with My Lai war crimes.
April 22 » The first Earth Day is celebrated.
April 26 » The Convention Establishing the World Intellectual Property Organization enters into force.
May 26 » The Soviet Tupolev Tu-144 becomes the first commercial transport to exceed Mach 2.
September 5 » Jochen Rindt becomes the only driver to posthumously win the Formula One World Drivers' Championship (in 1970), after being killed in practice for the Italian Grand Prix.
September 11 » The Dawson's Field hijackers release 88 of their hostages. The remaining hostages, mostly Jews and Israeli citizens, are held until September 25.
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/I167796.php : accessed October 20, 2026), "Tiemen de Vries (1911-1970)".
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