March 16 » In Melbourne the representatives of five colonies adopted a constitution, which would become the basis of the Commonwealth of Australia.
April 25 » Spanish–American War: The United States declares war on Spain.
July 25 » Spanish-American War: The American invasion of Spanish-held Puerto Rico begins, as United States Army troops under General Nelson A. Miles land and secure the port at Guánica.
September 2 » Battle of Omdurman: British and Egyptian troops defeat Sudanese tribesmen and establish British dominance in Sudan.
September 21 » Empress Dowager Cixi seizes power and ends the Hundred Days' Reform in China.
December 18 » Gaston de Chasseloup-Laubat sets the first officially recognized land speed record of 39.245mph (63.159km/h) in a Jeantaud electric car.
Day of death May 18, 1903
The temperature on May 18, 1903 was between 4.1 °C and 11.9 °C and averaged 7.5 °C. There was 3.9 hours of sunshine (25%). Source: KNMI
When copying data from this family tree, please include a reference to the origin: Vera Develing, "Family tree Develing", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-develing/I19.php : accessed January 7, 2026), "Petrus Jacobus Develing (1898-1903)".
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