January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
February 14 » The United States Department of Commerce and Labor is established (later split into the Department of Commerce and the Department of Labor).
February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
June 19 » Benito Mussolini, at the time a radical Socialist, is arrested by Bern police for advocating a violent general strike.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
December 30 » A fire at the Iroquois Theater in Chicago, Illinois kills at least 605.
Day of death April 6, 1904
The temperature on April 6, 1904 was between 6.8 °C and 11.7 °C and averaged 9.0 °C. There was 5.6 hours of sunshine (42%). The average windspeed was 5 Bft (very strong wind) and was prevailing from the west-southwest. Source: KNMI
February 8 » Battle of Port Arthur: A surprise torpedo attack by the Japanese at Port Arthur, China starts the Russo-Japanese War.
May 9 » The steam locomotive City of Truro becomes the first steam engine in Europe to exceed 100mph (160km/h).
May 10 » The Horch & Cir. Motorwagenwerke AG is founded. It would eventually become the Audi company.
May 21 » The Fédération Internationale de Football Association (FIFA) is founded in Paris.
June 16 » Irish author James Joyce begins a relationship with Nora Barnacle and subsequently uses the date to set the actions for his novel Ulysses; this date is now traditionally called "Bloomsday".
November 16 » English engineer John Ambrose Fleming receives a patent for the thermionic valve (vacuum tube).
When copying data from this family tree, please include a reference to the origin: Hendrik Dreyer, "Dreyer Tree", database, Genealogy Online (https://www.genealogieonline.nl/dreyer-tree/I11989.php : accessed January 20, 2026), "Anna Magaretha Bosch (1903-1904)".
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