May 1, 1905
1905 Italian Football Championship — sports season
1905 — common year starting on Sunday
Missing gold prospecting expedition in 1905
Constitutionalization attempts in Iran — a movement for the Constitution of Iran monarchy in 1905 to 1909
1905 treaty between the United States and Mexico
Armenian-Tatar massacres 1905-1906 — interethnic conflict during the 1905 Russian Revolution
Russian Revolution of 1905 — wave of mass political and social unrest that spread through vast areas of the Russian Empire
Bloody Sunday — massacre in Russia in January 1905
Serbian-Ottoman battle
Battle of Tsushima — major naval battle between Russia and Japan during the Russo-Japanese War