January 1 » Nigeria becomes a British protectorate.
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.
September 17 » Second Boer War: Boers capture a squadron of the 17th Lancers at the Battle of Elands River.
November 18 » Britain and the United States sign the Hay–Pauncefote Treaty, which nullifies the Clayton–Bulwer Treaty and withdraws British objections to an American-controlled canal in Panama.
November 27 » The U.S. Army War College is established.
December 12 » Guglielmo Marconi receives the first transatlantic radio signal (the letter "S" [***] in Morse Code), at Signal Hill in St John's, Newfoundland.
Day of death June 18, 1961
The temperature on June 18, 1961 was between 8.7 °C and 17.2 °C and averaged 14.8 °C. There was 1.8 mm of rain during 4.1 hours. There was -0.1 hours of sunshine (0%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. Source: KNMI
January 20 » John F. Kennedy is inaugurated the 35th President of the United States of America, becoming the second youngest man to take the office, and the first Catholic.
May 4 » American civil rights movement: The "Freedom Riders" begin a bus trip through the South.
July 25 » Cold War: In a speech John F. Kennedy emphasizes that any attack on Berlin is an attack on NATO.
September 16 » Typhoon Nancy, with possibly the strongest winds ever measured in a tropical cyclone, makes landfall in Osaka, Japan, killing 173 people.
September 17 » The world's first retractable roof stadium, the Civic Arena, opens in Pittsburgh, Pennsylvania.
October 30 » The Soviet Union detonates the Tsar Bomba, the most powerful explosive device ever detonated.
When copying data from this family tree, please include a reference to the origin: Rolf Kapma, "Family tree Kapma", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kapma/I7828.php : accessed January 16, 2026), "Paulus Stevelmans (1901-1961)".
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