The temperature on June 19, 1904 was between 10.2 °C and 17.4 °C and averaged 13.7 °C. There was 4.4 hours of sunshine (26%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west-southwest. Source: KNMI
February 7 » A fire begins in Baltimore, Maryland; it destroys over 1,500 buildings in 30 hours.
April 30 » The Louisiana Purchase Exposition World's Fair opens in St. Louis, Missouri.
July 21 » Louis Rigolly, a Frenchman, becomes the first man to break the 100mph (161km/h) barrier on land. He drove a 15-liter Gobron-Brillié in Ostend, Belgium.
October 20 » Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
December 6 » Theodore Roosevelt articulated his "Corollary" to the Monroe Doctrine, stating that the U.S. would intervene in the Western Hemisphere should Latin American governments prove incapable or unstable.
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/I81697.php : accessed December 27, 2025), "Geertje Slager (1904-)".
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