April 26 » Atlético Madrid Association football club is founded
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
June 16 » The Ford Motor Company is incorporated.
August 3 » Macedonian rebels in Kruševo proclaim the Kruševo Republic, which exists for only ten days before Ottoman Turks lay waste to the town.
September 27 » The Wreck of the Old 97, an American rail disaster that became the subject of a popular ballad.
October 1 » Baseball: The Boston Americans play the Pittsburgh Pirates in the first game of the modern World Series.
Day of death August 21, 1904
The temperature on August 21, 1904 was between 4.2 °C and 18.7 °C and averaged 12.3 °C. There was 9.9 hours of sunshine (69%). The average windspeed was 2 Bft (weak wind) and was prevailing from the north-northeast. Source: KNMI
February 7 » A fire begins in Baltimore, Maryland; it destroys over 1,500 buildings in 30 hours.
February 22 » The United Kingdom sells a meteorological station on the South Orkney Islands to Argentina; the islands are subsequently claimed by the United Kingdom in 1908.
February 28 » S.L. Benfica is founded in Portugal.
April 8 » The French Third Republic and the United Kingdom of Great Britain and Ireland sign the Entente cordiale.
May 10 » The Horch & Cir. Motorwagenwerke AG is founded. It would eventually become the Audi company.
October 4 » The IFK Göteborg football club is founded in Sweden.
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/I158284.php : accessed October 8, 2026), "Sieuwke de Jong (1903-1904)".
Copy warning
Genealogical publications are copyright protected. Although data is often retrieved from public archives, the searching, interpreting, collecting, selecting and sorting of the data results in a unique product. Copyright protected work may not simply be copied or republished.
Please stick to the following rules
Request permission to copy data or at least inform the author, chances are that the author gives permission, often the contact also leads to more exchange of data.
Do not use this data until you have checked it, preferably at the source (the archives).
State from whom you have copied the data and ideally also his/her original source.