April 20 » U.S. President William McKinley signed a joint resolution to Congress for declaration of war against Spain, beginning the Spanish–American War.
May 8 » The first games of the Italian football league system are played.
July 1 » Spanish–American War: The Battle of San Juan Hill is fought in Santiago de Cuba, Cuba.
August 23 » The Southern Cross Expedition, the first British venture of the Heroic Age of Antarctic Exploration, departs from London.
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 26 » Marie and Pierre Curie announce the isolation of radium.
Day of marriage April 23, 1925
The temperature on April 23, 1925 was between 6.3 °C and 13.5 °C and averaged 9.0 °C. There was 4.5 mm of rain. There was 0.2 hours of sunshine (1%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-southwest. Source: KNMI
In The Netherlands , there was from September 19, 1922 to August 4, 1925 the cabinet Ruys de Beerenbrouck II, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
April 18 » The International Amateur Radio Union is formed in Paris.
April 26 » Paul von Hindenburg defeats Wilhelm Marx in the second round of the German presidential election to become the first directly elected head of state of the Weimar Republic.
May 5 » Scopes Trial: Serving of an arrest warrant on John T. Scopes for teaching evolution in violation of the Butler Act.
August 5 » Plaid Cymru is formed with the aim of disseminating knowledge of the Welsh language that is at the time in danger of dying out.
September 3 » USSShenandoah, the United States' first American-built rigid airship, was destroyed in a squall line over Noble County, Ohio. Fourteen of her 42-man crew perished, including her commander, Zachary Lansdowne.
Day of death May 11, 1967
The temperature on May 11, 1967 was between 10.9 °C and 27.4 °C and averaged 19.4 °C. There was 0.2 mm of rain during 0.2 hours. There was 10.6 hours of sunshine (69%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the east-southeast. Source: KNMI
January 29 » The "ultimate high" of the hippie era, the Mantra-Rock Dance, takes place in San Francisco and features Janis Joplin, Grateful Dead, and Allen Ginsberg.
March 9 » Trans World Airlines Flight 553 crashes in a field in Concord Township, Ohio following a mid-air collision with a Beechcraft Baron, killing 26 people.
August 25 » George Lincoln Rockwell, founder of the American Nazi Party, is assassinated by a former member of his group.
September 4 » Vietnam War: Operation Swift begins when U.S. Marines engage the North Vietnamese in battle in the Que Son Valley.
November 7 » US President Lyndon B. Johnson signs the Public Broadcasting Act of 1967, establishing the Corporation for Public Broadcasting.
November 30 » Pro-Soviet communists in the Philippines establish Malayang Pagkakaisa ng Kabataan Pilipino as its new youth wing.
Day of burial May 16, 1967
The temperature on May 16, 1967 was between 7.6 °C and 17.5 °C and averaged 12.9 °C. There was 2.6 mm of rain during 0.4 hours. There was 3.6 hours of sunshine (23%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Wicher Dam, "Dambomen, negen verschillende stambomen DAM", database, Genealogy Online (https://www.genealogieonline.nl/dambomen/I23751.php : accessed January 1, 2026), "Sipkje Sikkema (1898-1967)".
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