February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
May 26 » Dracula, a Gothic horror novel by Irish author Bram Stoker, is published.
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
December 30 » The British Colony of Natal annexes Zululand.
Day of death August 21, 1964
The temperature on August 21, 1964 was between 7.5 °C and 18.4 °C and averaged 12.8 °C. There was 7.5 hours of sunshine (52%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 31 » Brazilian General Olímpio Mourão Filho orders his troops to move towards Rio de Janeiro, beginning the coup d'état.
May 20 » Discovery of the cosmic microwave background radiation by Robert Woodrow Wilson and Arno Penzias.
June 11 » World War II veteran Walter Seifert attacks an elementary school in Cologne, Germany, killing at least eight children and two teachers and seriously injuring several more with a home-made flamethrower and a lance.
June 19 » The Civil Rights Act of 1964 is approved after surviving an 83-day filibuster in the United States Senate.
July 27 » Vietnam War: Five thousand more American military advisers are sent to South Vietnam bringing the total number of United States forces in Vietnam to 21,000.
October 1 » Japanese Shinkansen ("bullet trains") begin high-speed rail service from Tokyo to Osaka.
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I199399.php : accessed January 2, 2026), "Pieter Koops (1897-1964)".
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