1903 treaty between Cuba and the United States

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

6.3-magnitude earthquake that struck Muş in eastern Turkey on April 27, 1903

1903 treaty between the United States and Colombia

25 Feb 1903 shootout in Stanaford, West Virginia, USA

1903 Isfahan anti-Baháʼí riots

Armed incident between Peru and Ecuador

1903 riot in Evansville, Indiana