1951

Clockwise from top-left: the Treaty of Paris establishes the European Coal and Steel Community, a precursor to the European Union; Shigeru Yoshida, Prime Minister of Japan signing the Treaty of San Francisco; Ships in Wellington harbour during the 1951 New Zealand waterfront dispute; The Sakuragichō train is on fire; The Rosenbergs sentenced to death; Leading figures of the Nepali Congress in the 1951 Nepalese revolution; Remington Rand delivers the first UNIVAC I computer; Destruction left in the wake of the 1951 eruption of Mount Lamington.
Millennium: 2nd millennium
Centuries:
Decades:
Years:
1951 in various calendars
Gregorian calendar1951
MCMLI
Ab urbe condita2704
Armenian calendar1400
ԹՎ ՌՆ
Assyrian calendar6701
Baháʼí calendar107–108
Balinese saka calendar1872–1873
Bengali calendar1358
Berber calendar2901
British Regnal year15 Geo. 6 – 16 Geo. 6
Buddhist calendar2495
Burmese calendar1313
Byzantine calendar7459–7460
Chinese calendar庚寅年 (Metal Tiger)
4648 or 4441
    — to —
辛卯年 (Metal Rabbit)
4649 or 4442
Coptic calendar1667–1668
Discordian calendar3117
Ethiopian calendar1943–1944
Hebrew calendar5711–5712
Hindu calendars
 - Vikram Samvat2007–2008
 - Shaka Samvat1872–1873
 - Kali Yuga5051–5052
Holocene calendar11951
Igbo calendar951–952
Iranian calendar1329–1330
Islamic calendar1370–1371
Japanese calendarShōwa 26
(昭和26年)
Javanese calendar1882–1883
Juche calendar40
Julian calendarGregorian minus 13 days
Korean calendar4284
Minguo calendarROC 40
民國40年
Nanakshahi calendar483
Thai solar calendar2494
Tibetan calendar阳金虎年
(male Iron-Tiger)
2077 or 1696 or 924
    — to —
阴金兔年
(female Iron-Rabbit)
2078 or 1697 or 925

1951 (MCMLI) was a common year starting on Monday of the Gregorian calendar, the 1951st year of the Common Era (CE) and Anno Domini (AD) designations, the 951st year of the 2nd millennium, the 51st year of the 20th century, and the 2nd year of the 1950s decade.