February 28 » Queen Ranavalona III, the last monarch of Madagascar, is deposed by a French military force.
August 2 » Anglo-Afghan War: The Siege of Malakand ends when a relief column is able to reach the British garrison in the Malakand states.
August 10 » German chemist Felix Hoffmann discovers an improved way of synthesizing acetylsalicylic acid (aspirin).
September 10 » Lattimer massacre: A sheriff's posse kills 19 unarmed striking immigrant miners in Lattimer, Pennsylvania, United States.
September 12 » Tirah Campaign: In the Battle of Saragarhi, ten thousand Pashtun tribesmen suffer several hundred casualties while attacking 21 Sikh soldiers in British service.
December 9 » Activist Marguerite Durand founds the feminist daily newspaper La Fronde in Paris.
Day of death September 17, 1903
The temperature on September 17, 1903 was between 4.9 °C and 16.0 °C and averaged 10.4 °C. There was 6.2 hours of sunshine (49%). Source: KNMI
February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
April 19 » The Kishinev pogrom in Kishinev (Bessarabia) begins, forcing tens of thousands of Jews to later seek refuge in Palestine and the Western world.
April 26 » Atlético Madrid Association football club is founded
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.
August 2 » The Ilinden–Preobrazhenie Uprising against the Ottoman Empire begins.
November 18 » The Hay–Bunau-Varilla Treaty is signed by the United States and Panama, giving the United States exclusive rights over the Panama Canal Zone.
When copying data from this family tree, please include a reference to the origin: Sim Mostert, "Genealogy Pot en Smit", database, Genealogy Online (https://www.genealogieonline.nl/genealogie_pot_smit/I7160.php : accessed September 29, 2026), "WILHELMUS van 't KLOOSTER (1897-1903)".
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