1905

1905 in other calendars
Gregorian calendar	1905; MCMV
Ab urbe condita	2658
Armenian calendar	1354; ԹՎ ՌՅԾԴ
Assyrian calendar	6655
Bahá'í calendar	61–62
Balinese saka calendar	1826–1827
Bengali calendar	1312
Berber calendar	2855
British Regnal year	4 Edw. 7 – 5 Edw. 7
Buddhist calendar	2449
Burmese calendar	1267
Byzantine calendar	7413–7414
Chinese calendar	甲辰年 (Wood Dragon); 4601 or 4541; — to —; 乙巳年 (Wood Snake); 4602 or 4542
Coptic calendar	1621–1622
Discordian calendar	3071
Ethiopian calendar	1897–1898
Hebrew calendar	5665–5666
Hindu calendars
- Vikram Samvat	1961–1962
- Shaka Samvat	1826–1827
- Kali Yuga	5005–5006
Holocene calendar	11905
Igbo calendar	905–906
Iranian calendar	1283–1284
Islamic calendar	1322–1323
Japanese calendar	Meiji 38; (明治３８年)
Javanese calendar	1834–1835
Julian calendar	Gregorian minus 13 days
Korean calendar	4238
Minguo calendar	7 before ROC; 民前7年
Nanakshahi calendar	437
Thai solar calendar	2447–2448
Tibetan calendar	阳木龙年; (male Wood-Dragon); 2031 or 1650 or 878; — to —; 阴木蛇年; (female Wood-Snake); 2032 or 1651 or 879

Millennium:	2nd millennium
Centuries:	19th century – 20th century – 21st century
Decades:	1870s 1880s 1890s – 1900s – 1910s 1920s 1930s
Years:	1902 1903 1904 – 1905 – 1906 1907 1908

1905 (MCMV) was a common year starting on Sunday of the Gregorian calendar and a common year starting on Saturday of the Julian calendar, the 1905th year of the Common Era (CE) and Anno Domini (AD) designations, the 905th year of the 2nd millennium, the 5th year of the 20th century, and the 6th year of the 1900s decade. As of the start of 1905, the Gregorian calendar was 13 days ahead of the Julian calendar, which remained in localized use until 1923.

Art, music, theatre, literature

January 22 – "Bloody Sunday" in St. Petersburg (Russia). First Russian Revolution has started.
April 1 – SOS, the Morse code signal for distress, is created by Germany.
June 7 – Norway becomes an independent country.
October 28 – Cardiff, Wales becomes a city in the United Kingdom.
Albert Einstein publishes his special theory of relativity.
A workers' revolt, supported by the crew of the Russian battleship Potemkin, takes place in Odessa, Russia.