May 29 » In the May Coup, Alexander I, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
October 10 » The Women's Social and Political Union is founded in support of the enfranchisement of British women.
October 31 » The Purdue Wreck, a railroad train collision in Indianapolis, kills 17 people, including 14 players of the Purdue University football team.
November 17 » The Russian Social Democratic Labour Party splits into two groups: The Bolsheviks (Russian for "majority") and Mensheviks (Russian for "minority").
Day of marriage May 31, 1928
The temperature on May 31, 1928 was between 10.5 °C and 16.4 °C and averaged 12.7 °C. There was 2.6 hours of sunshine (16%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the northeast. Source: KNMI
May 3 » The Jinan incident begins with the deaths of twelve Japanese civilians by Chinese forces in Jinan, China, which leads to Japanese retaliation and the deaths of over 2,000 Chinese civilians in the following days.
May 15 » Walt Disney character Mickey Mouse premieres in his first cartoon, "Plane Crazy".
September 1 » Ahmet Zogu declares Albania to be a monarchy and proclaims himself king.
October 10 » Chiang Kai-shek becomes Chairman of the Republic of China.
October 15 » The airship, Graf Zeppelin completes its first trans-Atlantic flight, landing at Lakehurst, New Jersey, United States.
November 12 » SSVestris sinks approximately 200 miles (320km) off Hampton Roads, Virginia, killing at least 110 passengers, mostly women and children who die after the vessel is abandoned.
Day of death October 21, 1968
The temperature on October 21, 1968 was between 5.7 °C and 15.7 °C and averaged 9.7 °C. There was 6.1 hours of sunshine (59%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 5 » Alexander Dubček comes to power in Czechoslovakia, effectively beginning the "Prague Spring".
January 30 » Vietnam War: Tet Offensive launch by forces of the Viet Cong and North Vietnamese Army against South Vietnam, the United States, and their allies.
January 31 » Nauru gains independence from Australia.
November 11 » Vietnam War: Operation Commando Hunt initiated. The goal is to interdict men and supplies on the Ho Chi Minh trail, through Laos into South Vietnam.
November 20 » A total of 78 miners are killed in an explosion at the Consolidated Coal Company's No. 9 mine in Farmington, West Virginia in the Farmington Mine disaster.
December 9 » Douglas Engelbart gave what became known as "The Mother of All Demos", publicly debuting the computer mouse, hypertext, and the bit-mapped graphical user interface using the oN-Line System (NLS).
When copying data from this family tree, please include a reference to the origin: Nico de Kunder, "Family tree De Kunder", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-de-kunder/I3307.php : accessed October 18, 2026), "Lena van der Made (1903-1968)".
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