January 2 » American statesman and diplomat John Hay announces the Open Door Policy to promote trade with China.
May 24 » Second Boer War: The United Kingdom annexes the Orange Free State.
June 14 » Hawaii becomes a United States territory.
June 20 » Boxer Rebellion: The Imperial Chinese Army begins a 55-day siege of the Legation Quarter in Beijing, China.
October 9 » The Cook Islands become a territory of the United Kingdom.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of death December 21, 1964
The temperature on December 21, 1964 was between -1.7 and 1.5 °C. There was 0.5 hours of sunshine (6%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the northeast. Source: KNMI
March 19 » Over 500,000 Brazilians attend the March of the Family with God for Liberty, in protest against the government of João Goulart and against communism.
May 2 » First ascent of Shishapangma, the fourteenth highest mountain in the world and the lowest of the Eight-thousanders.
June 10 » United States Senate breaks a 75-day filibuster against the Civil Rights Act of 1964, leading to the bill's passage.
June 19 » The Civil Rights Act of 1964 is approved after surviving an 83-day filibuster in the United States Senate.
August 16 » Vietnam War: A coup d'état replaces Dương Văn Minh with General Nguyễn Khánh as President of South Vietnam. A new constitution is established with aid from the U.S. Embassy.
August 19 » Syncom 3, the first geostationary communication satellite, was launched.
When copying data from this family tree, please include a reference to the origin: David Chaim, "Lazarus tree", database, Genealogy Online (https://www.genealogieonline.nl/lazarus-tree/I412189897553.php : accessed December 6, 2025), "Rena Caplan (1900-1964)".
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