January 31 » Czechoslav Trade Union Association is founded in Prague.
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 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.
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.
When copying data from this family tree, please include a reference to the origin: Hans Lington, "Database Langton / Lengton / Lington - Heil - Rahder", database, Genealogy Online (https://www.genealogieonline.nl/database-langton/I3787.php : accessed May 2, 2025), "Johanna Henrica Kradolfer (1897-1979)".
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