1904

1904 (MCMIV) was a leap year starting on Friday in the Gregorian calendar and a leap year starting on Thursday in the Julian calendar.

 Events 
 January 4 – In Gonzales v. Williams, the U.S. Supreme Court decided that citizens of Puerto Rico are not aliens and could enter the United States freely.
 February 8 – The Russo-Japanese War begins.

 Births 
 January 18 – Cary Grant, English actor (d. 1986)
 April 22 – Robert Oppenheimer, American physicist (d. 1967)
 May 11 – Salvador Dalí, Spanish artist (d. 1989)
 June 2 – Johnny Weissmuller, American swimmer and actor (d. 1984)
 June 17 – Ralph Bellamy, American actor and comedian (d.1991)
 June 26 – Peter Lorre, Hungarian-born movie actor (d. 1964)
 August 12 – Tsarevich Alexei of Russia (d. 1918)

 Deaths 
 May 1 – Antonín Dvořák, Czech composer (b. 1841)
 July 15 – Anton Chekhov, Russian writer (b. 1860)



nv:1901 – 1950