February 27 » Fußball-Club Bayern München is founded.
February 27 » Second Boer War: In South Africa, British military leaders receive an unconditional notice of surrender from Boer General Piet Cronjé at the Battle of Paardeberg.
April 14 » The Exposition Universelle begins.
April 30 » Hawaii becomes a territory of the United States, with Sanford B. Dole as governor.
May 18 » The United Kingdom proclaims a protectorate over Tonga.
October 19 » Max Planck discovers Planck's law of black-body radiation.
Day of marriage May 31, 1923
The temperature on May 31, 1923 was between 8.5 °C and 12.1 °C and averaged 10.1 °C. There was 0.8 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the north-northeast. 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.
April 18 » Yankee Stadium: "The House that Ruth Built" opens.
April 26 » The Duke of York weds Lady Elizabeth Bowes-Lyon at Westminster Abbey.
August 18 » First British Track and Field championships for women, London.
September 29 » The French Mandate for Syria and the Lebanon takes effect.
October 16 » The Walt Disney Company is founded.
November 9 » In Munich, Germany, police and government troops crush the Beer Hall Putsch in Bavaria. The failed coup is the work of the Nazis.
Day of death June 19, 1969
The temperature on June 19, 1969 was between 8.9 °C and 19.2 °C and averaged 14.6 °C. There was 12.4 hours of sunshine (74%). The partly clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the west. Source: KNMI
March 25 » During their honeymoon, John Lennon and Yoko Ono hold their first Bed-In for Peace at the Amsterdam Hilton Hotel (until March 31).
May 2 » The British ocean liner Queen Elizabeth 2 departs on her maiden voyage to New York City.
May 10 » Vietnam War: The Battle of Dong Ap Bia begins with an assault on Hill 937. It will ultimately become known as Hamburger Hill.
May 26 » Apollo program: Apollo 10 returns to Earth after a successful eight-day test of all the components needed for the forthcoming first manned moon landing.
June 28 » Stonewall riots begin in New York City, marking the start of the Gay Rights Movement.
October 17 » The Caravaggio painting Nativity with St. Francis and St. Lawrence is stolen from the Oratory of Saint Lawrence in Palermo.
When copying data from this family tree, please include a reference to the origin: Margriet E- Visser-Groot, "Family tree Visser-Groot", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-visser-groot/I34945.php : accessed February 6, 2026), "Jan Willem Mantel (1900-1969)".
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