January 28 » The Carnegie Institution of Washington is founded in Washington, D.C. with a $10 million gift from Andrew Carnegie.
March 18 » Macario Sakay issues Presidential Order No. 1 of his Tagalog Republic.
May 17 » Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
May 20 » Cuba gains independence from the United States. Tomás Estrada Palma becomes the country's first President.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
December 14 » The Commercial Pacific Cable Company lays the first Pacific telegraph cable, from San Francisco to Honolulu.
Day of death July 15, 1956
The temperature on July 15, 1956 was between 12.8 °C and 18.5 °C and averaged 16.3 °C. There was 12.5 mm of rain during 8.0 hours. The heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northwest. Source: KNMI
June 29 » The Federal Aid Highway Act of 1956 is signed by U.S. President Dwight D. Eisenhower, officially creating the United States Interstate Highway System.
September 13 » The dike around the Dutch polder East Flevoland is closed.
October 29 » Suez Crisis begins: Israeli forces invade the Sinai Peninsula and push Egyptian forces back toward the Suez Canal.
December 9 » Trans-Canada Air Lines Flight 810, a Canadair North Star, crashes near Hope, British Columbia, Canada, killing all 62 people on board.
December 12 » United Nations Security Council Resolution 121 relating to acceptance of Japan to United Nations is adopted.
December 19 » Irish-born physician John Bodkin Adams is arrested in connection with the suspicious deaths of more than 160 patients. Eventually he is convicted only of minor charges.
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1099510681.php : accessed March 15, 2026), "Gerrit Zwarthof (1902-1956)".
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