March 2 » The U.S. Congress passes the Platt Amendment limiting the autonomy of Cuba, as a condition of the withdrawal of American troops.
September 6 » Leon Czolgosz, an unemployed anarchist, shoots and fatally wounds US President William McKinley at the Pan-American Exposition in Buffalo, New York.
November 1 » Sigma Phi Epsilon, the largest national male collegiate fraternity, is established at Richmond College, in Richmond, Virginia.
November 18 » Britain and the United States sign the Hay–Pauncefote Treaty, which nullifies the Clayton–Bulwer Treaty and withdraws British objections to an American-controlled canal in Panama.
November 27 » The U.S. Army War College is established.
Day of death April 22, 1903
The temperature on April 22, 1903 was between 0.5 °C and 9.4 °C and averaged 4.8 °C. There was 1.0 hours of sunshine (7%). Source: KNMI
February 23 » Cuba leases Guantánamo Bay to the United States "in perpetuity".
June 16 » The Ford Motor Company is incorporated.
July 4 » The Philippine–American War is officially concluded.
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 31 » The Purdue Wreck, a railroad train collision in Indianapolis, kills 17 people, including 14 players of the Purdue University football team.
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/I131045.php : accessed October 16, 2026), "Klaas Jansma (1901-1903)".
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