February 25, 1903
6.3-magnitude earthquake that struck Muş in eastern Turkey on April 27, 1903
1903 — common year starting on Thursday
Ilinden–Preobrazhenie Uprising — Revolt against the Ottoman Empire in Southeastern Europe 1903
1903 Tour de France — cycling race
1903 Italian Football Championship — sports season
1903 treaty between Cuba and the United States
1903 treaty between the United States and Colombia
1903 Isfahan anti-Baháʼí riots
Armed incident between Peru and Ecuador
1903 riot in Evansville, Indiana