January 13 » First Italo-Ethiopian War: the war's opening battle, the Battle of Coatit, occurs; it is an Italian victory.
April 3 » The trial in the libel case brought by Oscar Wilde begins, eventually resulting in his imprisonment on charges of homosexuality.
April 24 » Joshua Slocum, the first person to sail single-handedly around the world, sets sail from Boston, Massachusetts aboard the sloop "Spray".
May 25 » The Republic of Formosa is formed, with Tang Jingsong as its president.
September 18 » The Atlanta Exposition Speech on race relations is delivered by Booker T. Washington.
October 8 » Korean Empress Myeongseong is assassinated by Japanese infiltrators.
Day of marriage May 27, 1920
The temperature on May 27, 1920 was between 10.7 °C and 20.9 °C and averaged 15.7 °C. There was 9.6 hours of sunshine (59%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west. 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.
February 10 » Józef Haller de Hallenburg performs symbolic wedding of Poland to the sea, celebrating restitution of Polish access to open sea.
February 14 » The League of Women Voters is founded in Chicago.
August 15 » Polish–Soviet War: Battle of Warsaw, so-called Miracle at the Vistula.
August 20 » The National Football League is organized as the American Professional Football Conference in Canton, Ohio
August 20 » The first commercial radio station, 8MK (now WWJ), begins operations in Detroit.
October 14 » Finland and Soviet Russia sign the Treaty of Tartu, exchanging some territories.
Day of death August 16, 1959
The temperature on August 16, 1959 was between 6.9 °C and 21.7 °C and averaged 15.4 °C. There was 10.9 hours of sunshine (74%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-northwest. Source: KNMI
When copying data from this family tree, please include a reference to the origin: P. Heres, "Family tree Eilander", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eilander/I1099493702.php : accessed February 19, 2026), "Harmen Gerrit van Olst (1895-1959)".
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