April 20 » Pierre and Marie Curie refine radium chloride.
May 31 » Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa.
June 28 » The U.S. Congress passes the Spooner Act, authorizing President Theodore Roosevelt to acquire rights from Colombia for the Panama Canal.
August 9 » Edward VII and Alexandra of Denmark are crowned King and Queen of the United Kingdom of Great Britain and Ireland.
August 22 » Theodore Roosevelt becomes the first President of the United States to make a public appearance in an automobile.
December 10 » The opening of the reservoir of the Aswan Dam in Egypt.
Day of death August 17, 1959
The temperature on August 17, 1959 was between 8.8 °C and 21.0 °C and averaged 15.8 °C. There was 11.8 hours of sunshine (81%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 2 » Luna 1, the first spacecraft to reach the vicinity of the Moon and to orbit the Sun, is launched by the Soviet Union.
March 9 » The Barbie doll makes its debut at the American International Toy Fair in New York.
March 10 » Tibetan uprising: Fearing an abduction attempt by China, thousands of Tibetans surround the Dalai Lama's palace to prevent his removal.
March 28 » The State Council of the People's Republic of China dissolves the government of Tibet.
June 14 » Dominican exiles depart from Cuba and land in the Dominican Republic to overthrow the totalitarian government of Rafael Trujillo. All but four are killed or executed.
July 7 » Venus occults the star Regulus. This rare event is used to determine the diameter of Venus and the structure of the Venusian atmosphere.
When copying data from this family tree, please include a reference to the origin: Bert de Vries, "Terug in de tijd", database, Genealogy Online (https://www.genealogieonline.nl/terug-in-de-tijd/I187.php : accessed June 17, 2024), "Heiko Frederik de Vries (1902-1959)".
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