June 21 » The United States captures Guam from Spain. The few warning shots fired by the U.S. naval vessels are misinterpreted as salutes by the Spanish garrison, which was unaware that the two nations were at war.
July 8 » The death of crime boss Soapy Smith, killed in the Shootout on Juneau Wharf, releases Skagway, Alaska from his iron grip.
August 11 » Spanish–American War: American troops enter the city of Mayagüez, Puerto Rico.
September 10 » Empress Elisabeth of Austria is assassinated by Luigi Lucheni.
December 3 » The Duquesne Country and Athletic Club defeated an all-star collection of early football players 16–0, in what is considered to be the very first all-star game for professional American football.
December 10 » Spanish–American War: The Treaty of Paris is signed, officially ending the conflict.
Day of marriage June 27, 1935
The temperature on June 27, 1935 was between 15.8 °C and 22.7 °C and averaged 19.2 °C. There was 14.6 mm of rain during 1.4 hours. There was 6.7 hours of sunshine (40%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
January 7 » Benito Mussolini and French Foreign minister Pierre Laval sign the Franco-Italian Agreement.
February 12 » USSMacon, one of the two largest helium-filled airships ever created, crashes into the Pacific Ocean off the coast of California and sinks.
February 26 » Robert Watson-Watt carries out a demonstration near Daventry which leads directly to the development of radar in the United Kingdom.
March 23 » Signing of the Constitution of the Commonwealth of the Philippines.
May 14 » The Constitution of the Philippines is ratified by a popular vote.
August 14 » Franklin D. Roosevelt signs the Social Security Act, creating a government pension system for the retired.
Day of death April 25, 1961
The temperature on April 25, 1961 was between 3.3 °C and 17.6 °C and averaged 11.7 °C. There was 0.1 mm of rain during 1.0 hours. There was 9.3 hours of sunshine (64%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 31 » Project Mercury: Mercury-Redstone 2: Ham the Chimp travels into outer space.
April 23 » Algiers putsch by French generals.
May 24 » American civil rights movement: Freedom Riders are arrested in Jackson, Mississippi, for "disturbing the peace" after disembarking from their bus.
June 19 » Kuwait declares independence from the United Kingdom.
July 19 » Tunisia imposes a blockade on the French naval base at Bizerte; the French would capture the entire town four days later.
December 2 » In a nationally broadcast speech, Cuban leader Fidel Castro declares that he is a Marxist–Leninist and that Cuba is going to adopt Communism.
When copying data from this family tree, please include a reference to the origin: Hendrik de Graaf, "Family tree Plugboer", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-plugboer/I14239.php : accessed January 26, 2026), "Catharina Schippers (1898-1961)".
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