The temperature on May 30, 1961 was between 4.3 °C and 15.4 °C and averaged 10.5 °C. There was 14.8 hours of sunshine (91%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 25 » In Washington, D.C., President John F. Kennedy delivers the first live presidential television news conference.
March 9 » Sputnik 9 successfully launches, carrying a dog and a human dummy, and demonstrating that the Soviet Union was ready to begin human spaceflight.
May 30 » The long-time Dominican dictator Rafael Trujillo is assassinated in Santo Domingo, Dominican Republic.
June 23 » The Antarctic Treaty System, which sets aside Antarctica as a scientific preserve and limits military activity on the continent, its islands and ice shelves, comes into force.
September 16 » Typhoon Nancy, with possibly the strongest winds ever measured in a tropical cyclone, makes landfall in Osaka, Japan, killing 173 people.
December 31 » RTÉ, Ireland's state broadcaster, launches its first national television service.
Day of death April 17, 1964
The temperature on April 17, 1964 was between 11.2 °C and 20.2 °C and averaged 16.0 °C. There was 7.2 hours of sunshine (51%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 9 » Martyrs' Day: Several Panamanian youths try to raise the Panamanian flag in the U.S.-controlled Panama Canal Zone, leading to fighting between U.S. military and Panamanian civilians.
June 5 » DSV Alvin is commissioned.
September 13 » South Vietnamese Generals Lâm Văn Phát and Dương Văn Đức fail in a coup attempt against General Nguyễn Khánh.
October 1 » Japanese Shinkansen ("bullet trains") begin high-speed rail service from Tokyo to Osaka.
October 22 » An all-party Parliamentary Committee selects the design which will become the new official flag of Canada.
October 29 » The United Republic of Tanganyika and Zanzibar is renamed the United Republic of Tanzania.
Day of burial April 21, 1964
The temperature on April 21, 1964 was between 8.0 °C and 16.5 °C and averaged 11.7 °C. There was 0.8 mm of rain during 0.7 hours. There was 8.0 hours of sunshine (56%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
January 11 » Surgeon General of the United States Dr. Luther Terry, M.D., publishes the landmark report Smoking and Health: Report of the Advisory Committee to the Surgeon General of the United States saying that smoking may be hazardous to health, sparking national and worldwide anti-smoking efforts.
January 23 » The 24th Amendment to the United States Constitution, prohibiting the use of poll taxes in national elections, is ratified.
April 7 » A bulldozer kills Rev. Bruce W. Klunder, a civil rights activist, during a school segregation protest in Cleveland, Ohio, sparking a riot.
August 13 » Peter Allen and Gwynne Evans are hanged for the murder of John Alan West becoming the last people executed in the United Kingdom.
September 13 » Martin Luther King Jr. addresses a crowd of 20,000 West Berliners on Sunday, in Waldbühne.
December 22 » The first test flight of the SR-71 (Blackbird) takes place at Air Force Plant 42 in Palmdale, California, United States.
When copying data from this family tree, please include a reference to the origin: H.L. Witmer, "Family tree Witmer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-witmer/I12.php : accessed January 24, 2026), "Maarten Tinus "Martin" Witmer (1961-1964)".
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