January 5 » Dreyfus affair: French army officer Alfred Dreyfus is stripped of his rank and sentenced to life imprisonment on Devil's Island.
January 12 » The National Trust is founded in the United Kingdom.
February 9 » William G. Morgan creates a game called Mintonette, which soon comes to be referred to as volleyball.
May 7 » In Saint Petersburg, Russian scientist Alexander Stepanovich Popov demonstrates to the Russian Physical and Chemical Society his invention, the Popov lightning detector—a primitive radio receiver. In some parts of the former Soviet Union the anniversary of this day is celebrated as Radio Day.
September 3 » John Brallier becomes the first openly professional American football player, when he was paid US$10 by David Berry, to play for the Latrobe Athletic Association in a 12-0 win over the Jeanette Athletic Association.
December 28 » Wilhelm Röntgen publishes a paper detailing his discovery of a new type of radiation, which later will be known as x-rays.
Day of marriage August 17, 1920
The temperature on August 17, 1920 was between 7.6 °C and 22.7 °C and averaged 15.7 °C. There was 12.1 hours of sunshine (83%). The average windspeed was 2 Bft (weak wind) and was prevailing from the west-southwest. 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.
January 10 » League of Nations Covenant enters into force. On January 16 the organization holds its first council meeting, in Paris.
January 16 » The League of Nations holds its first council meeting in Paris, France.
May 2 » The first game of the Negro National League baseball is played in Indianapolis.
May 5 » Authorities arrest Nicola Sacco and Bartolomeo Vanzetti for alleged robbery and murder.
November 15 » First assembly of the League of Nations is held in Geneva, Switzerland.
November 16 » Qantas, Australia's national airline, is founded as Queensland and Northern Territory Aerial Services Limited.
Day of death June 29, 1987
The temperature on June 29, 1987 was between 18.9 °C and 28.9 °C and averaged 23.2 °C. There was 5.9 hours of sunshine (35%). The partly clouded was. The average windspeed was 1 Bft (weak wind) and was prevailing from the south. Source: KNMI
In The Netherlands , there was from Tuesday, November 4, 1986 to Tuesday, November 7, 1989 the cabinet Lubbers II, with Drs. R.F.M. Lubbers (CDA) as prime minister.
March 19 » Televangelist Jim Bakker resigns as head of the PTL Club due to a brewing sex scandal; he hands over control to Jerry Falwell.
June 17 » With the death of the last individual of the species, the dusky seaside sparrow becomes extinct.
July 1 » The American radio station WFAN in New York City is launched as the world's first all-sports radio station.
July 4 » In France, former Gestapo chief Klaus Barbie (a.k.a. the "Butcher of Lyon") is convicted of crimes against humanity and sentenced to life imprisonment.
November 18 » King's Cross fire: In London, 31 people die in a fire at the city's busiest underground station, King's Cross St Pancras.
December 20 » In the worst peacetime sea disaster, the passenger ferry Doña Paz sinks after colliding with the oil tanker 'MT Vector in the Tablas Strait of the Philippines, killing an estimated 4,000 people (1,749 official).
When copying data from this family tree, please include a reference to the origin: Oncko Bonga, "Family tree Trip", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-trip/I245.php : accessed February 27, 2026), "Emilia Susanna Maria Jkvr. Wesselman van Helmond (1895-1987)".
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