The temperature on October 21, 1911 was between 8.2 °C and 17.2 °C and averaged 12.8 °C. There was 1.3 mm of rain. There was 3.6 hours of sunshine (35%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southeast. Source: KNMI
January 26 » Glenn Curtiss flies the first successful American seaplane.
June 16 » IBM founded as the Computing-Tabulating-Recording Company in Endicott, New York.
August 14 » United States Senate leaders agree to rotate the office of President pro tempore of the Senate among leading candidates to fill the vacancy left by William P. Frye's death.
August 29 » The Canadian Naval Service becomes the Royal Canadian Navy.
September 20 » The White Star Line's RMSOlympic collides with the British warship HMSHawke.
September 25 » An explosion of badly degraded propellant charges on board the French battleship Liberté detonates the forward ammunition magazines and destroys the ship.
Day of marriage September 16, 1936
The temperature on September 16, 1936 was between 10.4 °C and 18.6 °C and averaged 13.8 °C. There was 2.7 hours of sunshine (21%). The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 7 » Prelude to World War II: In violation of the Locarno Pact and the Treaty of Versailles, Germany reoccupies the Rhineland.
June 11 » The London International Surrealist Exhibition opens.
July 20 » The Montreux Convention is signed in Switzerland, authorizing Turkey to fortify the Dardanelles and Bosphorus but guaranteeing free passage to ships of all nations in peacetime.
August 10 » Spanish Civil War: The Regional Defence Council of Aragon is dissolved by the Spanish Republic.
October 5 » The Jarrow March sets off for London.
December 7 » Australian cricketer Jack Fingleton becomes the first player to score centuries in four consecutive Test innings.
Day of death August 6, 1968
The temperature on August 6, 1968 was between 15.8 °C and 22.0 °C and averaged 18.6 °C. There was 2.4 mm of rain during 1.0 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east. Source: KNMI
January 23 » USS Pueblo (AGER-2) is attacked and seized by naval forces of North Korea.
March 17 » As a result of nerve gas testing by the U.S. Army Chemical Corps in Skull Valley, Utah, over 6,000 sheep are found dead.
June 30 » Pope Paul VI issues the Credo of the People of God.
October 1 » Guyana nationalizes the British Guiana Broadcasting Service, which would eventually become part of the National Communications Network, Guyana.
November 23 » 1968 Yale vs. Harvard football game: Harvard Crimson rallies to tie Yale Bulldogs 29–29 at Harvard Stadium in Boston, Massachusetts.
December 25 » Kilvenmani massacre: Forty-four Dalits (untouchables) are burnt to death in Kizhavenmani village, Tamil Nadu, a retaliation for a campaign for higher wages by Dalit laborers.
When copying data from this family tree, please include a reference to the origin: Zegert en Jan Vis, "Family tree Zegert Vis", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-zegert-vis/I280862.php : accessed August 8, 2025), "Leendert Rakhorst (1911-1968)".
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