1981

From top left, clockwise: U.S. President Ronald Reagan is shot and injured by John Hinckley Jr.; the first recognized case of HIV/AIDS begins in United States; the Salvadoran Army kill 800–1,000 civilians in El Mozote village; NASA launches Space Shuttle Columbia; Pope John Paul II is shot and injured by Mehmet Ali Ağca; IBM launches its first microcomputer; seven prisoners from the Provisional Irish Republican Army and three from the Irish National Liberation Army starve themselves to death in a hunger strike; Prince Charles marries Lady Diana Spencer.
Millennium: 2nd millennium
Centuries:
Decades:
Years:
1981 in various calendars
Gregorian calendar1981
MCMLXXXI
Ab urbe condita2734
Armenian calendar1430
ԹՎ ՌՆԼ
Assyrian calendar6731
Baháʼí calendar137–138
Balinese saka calendar1902–1903
Bengali calendar1388
Berber calendar2931
British Regnal year29 Eliz. 2 – 30 Eliz. 2
Buddhist calendar2525
Burmese calendar1343
Byzantine calendar7489–7490
Chinese calendar庚申年 (Metal Monkey)
4678 or 4471
    — to —
辛酉年 (Metal Rooster)
4679 or 4472
Coptic calendar1697–1698
Discordian calendar3147
Ethiopian calendar1973–1974
Hebrew calendar5741–5742
Hindu calendars
 - Vikram Samvat2037–2038
 - Shaka Samvat1902–1903
 - Kali Yuga5081–5082
Holocene calendar11981
Igbo calendar981–982
Iranian calendar1359–1360
Islamic calendar1401–1402
Japanese calendarShōwa 56
(昭和56年)
Javanese calendar1913–1914
Juche calendar70
Julian calendarGregorian minus 13 days
Korean calendar4314
Minguo calendarROC 70
民國70年
Nanakshahi calendar513
Thai solar calendar2524
Tibetan calendar阳金猴年
(male Iron-Monkey)
2107 or 1726 or 954
    — to —
阴金鸡年
(female Iron-Rooster)
2108 or 1727 or 955
Unix time347155200 – 378691199

1981 (MCMLXXXI) was a common year starting on Thursday of the Gregorian calendar, the 1981st year of the Common Era (CE) and Anno Domini (AD) designations, the 981st year of the 2nd millennium, the 81st year of the 20th century, and the 2nd year of the 1980s decade.