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.

Millennium:	2nd millennium
Centuries:	19th century – 20th century – 21st century
Decades:	1870s  1880s  1890s  – 1900s –  1910s  1920s  1930s
Years:	1901 1902 1903 – 1904 – 1905 1906 1907

1904 in other calendars

Gregorian calendar	1904 MCMIV
Ab urbe condita	2657
Armenian calendar	1353 ԹՎ ՌՅԾԳ
Assyrian calendar	6654
Bahá'í calendar	60–61
Balinese saka calendar	1825–1826
Bengali calendar	1311
Berber calendar	2854
British Regnal year	3 Edw. 7 – 4 Edw. 7
Buddhist calendar	2448
Burmese calendar	1266
Byzantine calendar	7412–7413
Chinese calendar	癸卯年 (Water Rabbit) 4600 or 4540     — to — 甲辰年 (Wood Dragon) 4601 or 4541
Coptic calendar	1620–1621
Discordian calendar	3070
Ethiopian calendar	1896–1897
Hebrew calendar	5664–5665
Hindu calendars
- Vikram Samvat	1960–1961
- Shaka Samvat	1825–1826
- Kali Yuga	5004–5005
Holocene calendar	11904
Igbo calendar	904–905
Iranian calendar	1282–1283
Islamic calendar	1321–1322
Japanese calendar	Meiji 37 (明治３７年)
Javanese calendar	1833–1834
Julian calendar	Gregorian minus 13 days
Korean calendar	4237
Minguo calendar	8 before ROC 民前8年
Nanakshahi calendar	436
Thai solar calendar	2446–2447
Tibetan calendar	ཆུ་མོ་ཡོས་ལོ་ (female Water-Hare) 2030 or 1649 or 877     — to — ཤིང་ཕོ་འབྲུག་ལོ་ (male Wood-Dragon) 2031 or 1650 or 878

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)