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.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 1 » The Tremont Street Subway in Boston opens, becoming the first underground rapid transit system in North America.
November 1 » The first Library of Congress building opens its doors to the public; the library had previously been housed in the Congressional Reading Room in the U.S. Capitol.
December 6 » London becomes the world's first city to host licensed taxicabs.
December 30 » The British Colony of Natal annexes Zululand.
Day of marriage December 29, 1925
The temperature on December 29, 1925 was between 8.5 °C and 12.3 °C and averaged 10.5 °C. There was 12.5 mm of rain. The average windspeed was 5 Bft (very strong wind) and was prevailing from the southwest. 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 3 » Benito Mussolini announces he is taking dictatorial powers over Italy.
January 21 » Albania declares itself a republic.
February 21 » The New Yorker publishes its first issue.
April 30 » Automaker Dodge Brothers, Inc is sold to Dillon, Read & Co. for US$146million plus $50million for charity.
October 30 » John Logie Baird creates Britain's first television transmitter.
November 28 » The Grand Ole Opry begins broadcasting in Nashville, Tennessee, as the WSM Barn Dance.
Day of death February 22, 1971
The temperature on February 22, 1971 was between 1.9 °C and 8.3 °C and averaged 4.8 °C. There was 0.1 mm of rain. There was 4.3 hours of sunshine (41%). The partly clouded was. The average windspeed was 3 Bft (moderate breeze) and was prevailing from the northwest. Source: KNMI
January 25 » Idi Amin leads a coup deposing Milton Obote and becomes Uganda's president.
April 10 » Ping-pong diplomacy: In an attempt to thaw relations with the United States, China hosts the U.S. table tennis team for a week-long visit.
August 5 » The first Pacific Islands Forum (then known as the "South Pacific Forum") is held in Wellington, New Zealand, with the aim of enhancing cooperation between the independent countries of the Pacific Ocean.
November 12 » Vietnam War: As part of Vietnamization, US President Richard Nixon sets February 1, 1972 as the deadline for the removal of another 45,000 American troops from Vietnam.
November 22 » In Britain's worst mountaineering tragedy, the Cairngorm Plateau Disaster, five children and one of their leaders are found dead from exposure in the Scottish mountains.
December 7 » The Battle of Sylhet is fought between the Pakistani military and the Mukti Bahini.
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/I156822.php : accessed January 20, 2026), "Wilhelmus Cornelis van der Zande (1897-1971)".
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