January 31 » Czechoslav Trade Union Association is founded in Prague.
April 18 » The Greco-Turkish War is declared between Greece and the Ottoman Empire.
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.
June 22 » British colonial officers Charles Walter Rand and Lt. Charles Egerton Ayerst are assassinated in Pune, Maharashtra, India by the Chapekar brothers and Mahadeo Vinayak Ranade, who are later caught and hanged.
July 11 » Salomon August Andrée leaves Spitsbergen to attempt to reach the North Pole by balloon. He later crashes and dies.
August 31 » Thomas Edison patents the Kinetoscope, the first movie projector.
Day of marriage July 22, 1925
The temperature on July 22, 1925 was between 20.2 °C and 32.5 °C and averaged 26.0 °C. There was 11.8 hours of sunshine (74%). The average windspeed was 4 Bft (moderate breeze) and was prevailing from the east-southeast. Source: KNMI
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.
In The Netherlands , there was from August 4, 1925 to March 8, 1926 the cabinet Colijn I, with Dr. H. Colijn (ARP) as prime minister.
January 30 » The Government of Turkey expels Patriarch Constantine VI from Istanbul.
February 2 » Serum run to Nome: Dog sleds reach Nome, Alaska with diphtheria serum, inspiring the Iditarod race.
February 21 » The New Yorker publishes its first issue.
May 15 » Al-Insaniyyah, the first Arabic communist newspaper, is founded.
September 17 » Frida Kahlo suffers near-fatal injuries in a bus accident in Mexico, causing her to abandon her medical studies and take up art.
December 11 » Roman Catholic papal encyclical Quas primas introduces the Feast of Christ the King.
Day of death May 2, 1966
The temperature on May 2, 1966 was between 10.5 °C and 25.9 °C and averaged 18.0 °C. There was 13.4 hours of sunshine (90%). The average windspeed was 2 Bft (weak wind) and was prevailing from the south-southeast. Source: KNMI
When copying data from this family tree, please include a reference to the origin: Hans Weening, "Family tree Weening", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-weening/I109065.php : accessed October 16, 2026), "Gerhardus Jacobus Rudolphus Jorna (1897-1966)".
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