The temperature on October 1, 1964 was between 5.0 °C and 16.6 °C and averaged 10.7 °C. There was 9.6 hours of sunshine (82%). The average windspeed was 2 Bft (weak wind) and was prevailing from the east-northeast. Source: KNMI
March 31 » Brazilian General Olímpio Mourão Filho orders his troops to move towards Rio de Janeiro, beginning the coup d'état.
April 8 » The Gemini 1 test flight is conducted.
May 9 » Ngô Đình Cẩn, de facto ruler of central Vietnam under his brother President Ngô Đình Diệm before the family's toppling, is executed.
July 19 » Vietnam War: At a rally in Saigon, South Vietnamese Prime Minister Nguyễn Khánh calls for expanding the war into North Vietnam.
September 21 » The North American XB-70 Valkyrie, the world's fastest bomber, makes its maiden flight from Palmdale, California.
October 29 » A collection of irreplaceable gems, including the 565 carat (113 g) Star of India, is stolen by a group of thieves (among them is "Murph the surf") from the American Museum of Natural History in New York City.
When copying data from this family tree, please include a reference to the origin: Louis Kramer, "Kramer Family Tree", database, Genealogy Online (https://www.genealogieonline.nl/kramer_stamboom/I596361.php : accessed March 14, 2026), "Jan-Geerts Zijlstra (± 1880-1964)".
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