1961

From top to bottom, left to right: Yuri Gagarin becomes the first human in space aboard Vostok 1; the Tsar Bomba is detonated by the Soviet Union; the Bay of Pigs invasion is launched against Cuba; the Berlin Crisis of 1961 heightens Cold War tensions between the United States and the Soviet Union; the Sino-Soviet split deepens divisions between the People's Republic of China and the Soviet Union; the Assassination of Patrice Lumumba occurs during the Congo Crisis; the Portuguese Colonial War begins in Angola against Portugal; the Sabena Flight 548 crash occurs in Belgium; and the Freedom Rides challenge segregation in the American South.
1961 in various calendars
Gregorian calendar1961
MCMLXI
Ab urbe condita2714
Armenian calendar1410
ԹՎ ՌՆԺ
Assyrian calendar6711
Baháʼí calendar117–118
Balinese saka calendar1882–1883
Bengali calendar1367–1368
Berber calendar2911
British Regnal yearEliz. 2 – 10 Eliz. 2
Buddhist calendar2505
Burmese calendar1323
Byzantine calendar7469–7470
Chinese calendar庚子年 (Metal Rat)
4658 or 4451
    — to —
辛丑年 (Metal Ox)
4659 or 4452
Coptic calendar1677–1678
Discordian calendar3127
Ethiopian calendar1953–1954
Hebrew calendar5721–5722
Hindu calendars
 - Vikram Samvat2017–2018
 - Shaka Samvat1882–1883
 - Kali Yuga5061–5062
Holocene calendar11961
Igbo calendar961–962
Iranian calendar1339–1340
Islamic calendar1380–1381
Japanese calendarShōwa 36
(昭和36年)
Javanese calendar1892–1893
Juche calendar50
Julian calendarGregorian minus 13 days
Korean calendar4294
Minguo calendarROC 50
民國50年
Nanakshahi calendar493
Thai solar calendar2504
Tibetan calendarལྕགས་ཕོ་བྱི་བ་ལོ་
(male Iron-Rat)
2087 or 1706 or 934
    — to —
ལྕགས་མོ་གླང་ལོ་
(female Iron-Ox)
2088 or 1707 or 935

1961 (MCMLXI) was a common year starting on Sunday of the Gregorian calendar, the 1961st year of the Common Era (CE) and Anno Domini (AD) designations, the 961st year of the 2nd millennium, the 61st year of the 20th century, and the 2nd year of the 1960s decade.