April 30 » J. J. Thomson of the Cavendish Laboratory announces his discovery of the electron as a subatomic particle, over 1,800 times smaller than a proton (in the atomic nucleus), at a lecture at the Royal Institution in London.
July 2 » British-Italian engineer Guglielmo Marconi obtains a patent for radio in London.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
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.
December 6 » London becomes the world's first city to host licensed taxicabs.
Day of marriage May 17, 1922
The temperature on May 17, 1922 was between 4.9 °C and 22.4 °C and averaged 14.5 °C. There was 0.3 mm of rain. There was 10.1 hours of sunshine (64%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south-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.
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.
January 11 » First use of insulin to treat diabetes in a human patient.
February 6 » The Washington Naval Treaty is signed in Washington, D.C., limiting the naval armaments of United States, Britain, Japan, France, and Italy.
March 18 » In India, Mohandas Gandhi is sentenced to six years in prison for civil disobedience, of which he serves only two.
July 9 » Johnny Weissmuller swims the 100 meters freestyle in 58.6 seconds breaking the world swimming record and the 'minute barrier'.
November 15 » At least 300 are massacred during a general strike in Guayaquil, Ecuador.
December 27 » Japanese aircraft carrierHōshō becomes the first purpose built aircraft carrier to be commissioned in the world.
Day of death March 17, 1963
The temperature on March 17, 1963 was between 3.6 °C and 10.7 °C and averaged 6.9 °C. There was 1.7 hours of sunshine (14%). The partly or heavily clouded was. The average windspeed was 2 Bft (weak wind) and was prevailing from the south. Source: KNMI
January 23 » The Guinea-Bissau War of Independence officially begins when PAIGC guerrilla fighters attack the Portuguese army stationed in Tite.
April 11 » Pope John XXIII issues Pacem in terris, the first encyclical addressed to all Christians instead of only Catholics, and which described the conditions for world peace in human terms.
July 26 » Syncom 2, the world's first geosynchronous satellite, is launched from Cape Canaveral on a Delta B booster.
August 8 » The Zimbabwe African National Union (ZANU), the current ruling party of Zimbabwe, is formed by a split from the Zimbabwe African People's Union.
August 31 » Crown Colony of North Borneo (now Sabah) achieves self governance.
October 7 » President Kennedy signs the ratification of the Partial Nuclear Test Ban Treaty.
When copying data from this family tree, please include a reference to the origin: J Eijsermans, "Eijsermans family tree", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-eijsermans/I547333.php : accessed January 26, 2026), "Cornelis IJssels (1897-1963)".
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