June 16 » A treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
September 11 » After months of pursuit, generals of Menelik II of Ethiopia capture Gaki Sherocho, the last king of Kaffa, bringing an end to that ancient kingdom.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage May 25, 1921
The temperature on May 25, 1921 was between 10.8 °C and 29.0 °C and averaged 20.1 °C. There was 12.9 hours of sunshine (80%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
In The Netherlands , there was from September 9, 1918 to September 18, 1922 the cabinet Ruys de Beerenbrouck I, with Jonkheer mr. Ch.J.M. Ruys de Beerenbrouck (RKSP) as prime minister.
March 24 » The 1921 Women's Olympiad begins in Monte Carlo, first international women's sports event.
July 10 » Belfast's Bloody Sunday: Sixteen people are killed and 161 houses destroyed during rioting and gun battles in Belfast, Northern Ireland.
September 7 » In Atlantic City, New Jersey, the first Miss America Pageant, a two-day event, is held.
October 5 » The World Series is the first to be broadcast on radio.
October 26 » The Chicago Theatre opens.
November 4 » The Saalschutz Abteilung (hall defense detachment) of the Nazi Party is renamed the Sturmabteilung (storm detachment) after a large riot in Munich.
Day of death November 19, 1955
The temperature on November 19, 1955 was between 0.2 °C and 10.0 °C and averaged 5.8 °C. There was 0.5 mm of rain during 0.8 hours. There was 4.9 hours of sunshine (57%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north. Source: KNMI
January 2 » Following the assassination of the Panamanian president José Antonio Remón Cantera, his deputy, José Ramón Guizado, takes power, but is quickly deposed after his involvement in Cantera's death is discovered.
April 1 » The EOKA rebellion against the British Empire begins in Cyprus, with the goal of unifying with Greece.
May 9 » Cold War: West Germany joins NATO.
June 2 » The USSR and Yugoslavia sign the Belgrade declaration and thus normalize relations between both countries, discontinued since 1948.
September 16 » A Zulu-class submarine becomes the first to launch a ballistic missile.
September 20 » The Treaty on Relations between the USSR and the GDR is signed.
When copying data from this family tree, please include a reference to the origin: Gert Jonker, "Family tree Jonker", database, Genealogy Online (https://www.genealogieonline.nl/jonker_stamboom/I9864.php : accessed March 16, 2026), "Marinus Mulder (1897-1955)".
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