April 25 » New York becomes the first U.S. state to require automobile license plates.
August 5 » Peter O'Connor sets the first IAAF recognised long jump world record of 24ft 11.75in (7.6137m), a record that would stand for 20 years.
August 14 » The first claimed powered flight, by Gustave Whitehead in his Number 21.
September 2 » Vice President of the United States Theodore Roosevelt utters the famous phrase, "Speak softly and carry a big stick" at the Minnesota State Fair.
October 24 » Annie Edson Taylor becomes the first person to go over Niagara Falls in a barrel.
December 10 » The first Nobel Prize ceremony is held in Stockholm on the fifth anniversary of Alfred Nobel's death.
Day of death July 8, 1961
The temperature on July 8, 1961 was between 14.0 °C and 17.8 °C and averaged 15.6 °C. There was 16.0 mm of rain during 7.8 hours. The almost completely overcast was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 3 » A protest by agricultural workers in Baixa de Cassanje, Portuguese Angola, turns into a revolt, opening the Angolan War of Independence, the first of the Portuguese Colonial Wars.
January 3 » Cold War: The United States severs diplomatic relations with Cuba over the latter's nationalization of American assets.
January 24 » Goldsboro B-52 crash: A bomber carrying two H-bombs breaks up in mid-air over North Carolina. The uranium core of one weapon remains lost.
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
May 4 » American civil rights movement: The "Freedom Riders" begin a bus trip through the South.
October 30 » The Soviet Union detonates the Tsar Bomba, the most powerful explosive device ever detonated.
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The Genealogische database Eisenga publication was prepared by Ruut Eisenga (contact is not possible).
When copying data from this family tree, please include a reference to the origin: Ruut Eisenga, "Genealogische database Eisenga", database, Genealogy Online (https://www.genealogieonline.nl/genealogie-eisenga/I6916.php : accessed February 17, 2026), "Jan Hielkes Klijnstra (1901-1961)".
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