January 12 » The National Trust is founded in the United Kingdom.
February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
March 22 » Before the Société pour L'Encouragement à l'Industrie, brothers Auguste and Louis Lumière demonstrate movie film technology publicly for the first time.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
October 4 » Horace Rawlins wins the first U.S. Open Men's Golf Championship.
Day of marriage January 20, 1917
The temperature on January 20, 1917 was between -7.4 °C and -4.0 °C and averaged -5.0 °C. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east. 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 5 » The Congress of the United States passes the Immigration Act of 1917 over President Woodrow Wilson's veto.
April 2 » World War I: United States President Woodrow Wilson asks the U.S. Congress for a declaration of war on Germany.
June 11 » King Alexander assumes the throne of Greece after his father, Constantine I, abdicates under pressure from allied armies occupying Athens.
June 28 » World War I: Greece joins the Allied powers.
October 31 » World War I: Battle of Beersheba: The "last successful cavalry charge in history".
November 2 » The Military Revolutionary Committee of the Petrograd Soviet, in charge of preparation and carrying out the Russian Revolution, holds its first meeting.
Day of death June 15, 1965
The temperature on June 15, 1965 was between 10.9 °C and 25.3 °C and averaged 17.2 °C. There was 12.6 mm of rain during 2.6 hours. There was 5.9 hours of sunshine (35%). The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
May 1 » Cross-Strait relations: Battle of Dong-Yin, a naval conflict between the Republic of China and the People's Republic of China, takes place.
June 9 » Vietnam War: The Viet Cong commences combat with the Army of the Republic of Vietnam in the Battle of Đồng Xoài, one of the largest battles in the war.
August 4 » The Constitution of the Cook Islands comes into force, giving the Cook Islands self-governing status within New Zealand.
September 6 » India retaliates following Pakistan's Operation Grand Slam which results in the Indo-Pakistani War of 1965 that ends in a stalemate followed by the signing of the Tashkent Declaration.
October 17 » The 1964–65 New York World's Fair closes after two years and more than 51 million attendees.
December 21 » International Convention on the Elimination of All Forms of Racial Discrimination is adopted.
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/I108459.php : accessed October 18, 2026), "Gerritje van der Valle (1895-1965)".
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