January 17 » El Yunque National Forest in Puerto Rico becomes part of the United States National Forest System as the Luquillo Forest Reserve.
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
June 16 » Roald Amundsen leaves Oslo, Norway, to commence the first east–west navigation of the Northwest Passage.
July 1 » Start of first Tour de France bicycle race.
October 6 » The High Court of Australia sits for the first time.
December 16 » Taj Mahal Palace & Tower hotel in Bombay first opens its doors to guests.
Day of death June 6, 1904
The temperature on June 6, 1904 was between 10.4 °C and 23.5 °C and averaged 16.9 °C. There was 13.4 hours of sunshine (81%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the north-northeast. Source: KNMI
January 8 » The Blackstone Library is dedicated, marking the beginning of the Chicago Public Library system.
February 28 » S.L. Benfica is founded in Portugal.
April 8 » Longacre Square in Midtown Manhattan is renamed Times Square after The New York Times.
April 30 » The Louisiana Purchase Exposition World's Fair opens in St. Louis, Missouri.
May 5 » Pitching against the Philadelphia Athletics at the Huntington Avenue Grounds, Cy Young of the Boston Americans throws the first perfect game in the modern era of baseball.
May 21 » The Fédération Internationale de Football Association (FIFA) is founded in Paris.
When copying data from this family tree, please include a reference to the origin: W. Kattenberg, "Family tree Kattenberg", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kattenberg/R138.php : accessed January 26, 2026), "Harm Kattenberg (1903-1904)".
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