January 9 » Hallam Tennyson, 2nd Baron Tennyson, son of the poet Alfred Tennyson, becomes the second Governor-General of Australia.
April 29 » A landslide kills 70 people in Frank, in the District of Alberta, Canada.
May 29 » In the May Coup, Alexander I, King of Serbia, and Queen Draga, are assassinated in Belgrade by the Black Hand (Crna Ruka) organization.
June 11 » A group of Serbian officers stormed the royal palace and assassinated King Alexander Obrenović and his wife, Queen Draga.
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.
Day of death May 15, 1904
The temperature on May 15, 1904 was between 6.0 °C and 17.6 °C and averaged 12.3 °C. There was 11.9 hours of sunshine (76%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the west. Source: KNMI
January 7 » The distress signal "CQD" is established only to be replaced two years later by "SOS".
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.
May 4 » The United States begins construction of the Panama Canal.
June 16 » Eugen Schauman assassinates Nikolay Bobrikov, Governor-General of Finland.
August 10 » Russo-Japanese War: The Battle of the Yellow Sea between the Russian and Japanese battleship fleets takes place.
October 20 » Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.
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/I112092.php : accessed October 11, 2026), "Harmen Boersma (1903-1904)".
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