February 1 » Fountains Valley, Pretoria, the oldest nature reserve in Africa, is proclaimed by President Paul Kruger.
February 24 » Revolution breaks out in Baire, a town near Santiago de Cuba, beginning the Cuban War of Independence, that ends with the Spanish–American War in 1898.
April 8 » In Pollock v. Farmers' Loan & Trust Co. the Supreme Court of the United States declares unapportioned income tax to be unconstitutional.
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.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
October 21 » The Republic of Formosa collapses as Japanese forces invade.
Day of marriage July 28, 1917
The temperature on July 28, 1917 was between 10.9 °C and 23.6 °C and averaged 18.1 °C. There was 10.5 hours of sunshine (67%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. 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.
January 31 » World War I: Germany announces that its U-boats will resume unrestricted submarine warfare after a two-year hiatus.
February 5 » The current constitution of Mexico is adopted, establishing a federal republic with powers separated into independent executive, legislative, and judicial branches.
March 2 » The enactment of the Jones–Shafroth Act grants Puerto Ricans United States citizenship.
March 11 » World War I: Mesopotamian campaign: Baghdad falls to Anglo-Indian forces commanded by General Stanley Maude.
November 8 » The first Council of People's Commissars is formed, including Vladimir Lenin, Leon Trotsky and Joseph Stalin.
November 26 » The Manchester Guardian publishes the 1916 secret Sykes-Picot Agreement between the United Kingdom and France.
Day of death September 16, 1965
The temperature on September 16, 1965 was between 8.9 °C and 21.7 °C and averaged 15.5 °C. There was 0.1 mm of rain. There was 7.9 hours of sunshine (62%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
April 6 » Launch of Early Bird, the first commercial communications satellite to be placed in geosynchronous orbit.
August 19 » Japanese prime minister Eisaku Satō becomes the first post-World War II sitting prime minister to visit Okinawa Prefecture.
August 29 » The Gemini V spacecraft returns to Earth, landing in the Atlantic Ocean.
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.
September 30 » The Lockheed L-100, the civilian version of the C-130 Hercules, is introduced.
December 16 » Vietnam War: General William Westmoreland sends U.S. Secretary of Defense Robert McNamara a request for 243,000 more men by the end of 1966.
When copying data from this family tree, please include a reference to the origin: Joop Klavers, "Family tree Klavers", database, Genealogy Online (https://www.genealogieonline.nl/stamboom_klavers/I448359.php : accessed March 4, 2026), "Gerardus Heeren (1895-1965)".
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