1984

Clockwise from top-left: a civil unrest movement demands direct presidential elections in Brazil; Indian prime minister Indira Gandhi is assassinated by two of her security guards, heralding the beginning of the anti-Sikh riots in India; NASA and the FAA intentionally crash a remotely controlled Boeing 720 aircraft to acquire data and test new technologies to aid passenger and crew survival; the 1984 Summer Olympics are held in Los Angeles, California; Apple releases its revolutionary personal computer; the Sino-British Joint Declaration treaty is signed; the National Union of Mineworkers in the United Kingdom strike against the National Coal Board in an attempt to prevent colliery closures; a methyl isocyanate leak kills at least 3,787 people in Bhopal, India.
Millennium: 2nd millennium
Centuries:
Decades:
Years:
1984 in various calendars
Gregorian calendar1984
MCMLXXXIV
Ab urbe condita2737
Armenian calendar1433
ԹՎ ՌՆԼԳ
Assyrian calendar6734
Baháʼí calendar140–141
Balinese saka calendar1905–1906
Bengali calendar1391
Berber calendar2934
British Regnal year32 Eliz. 2 – 33 Eliz. 2
Buddhist calendar2528
Burmese calendar1346
Byzantine calendar7492–7493
Chinese calendar癸亥年 (Water Pig)
4681 or 4474
    — to —
甲子年 (Wood Rat)
4682 or 4475
Coptic calendar1700–1701
Discordian calendar3150
Ethiopian calendar1976–1977
Hebrew calendar5744–5745
Hindu calendars
 - Vikram Samvat2040–2041
 - Shaka Samvat1905–1906
 - Kali Yuga5084–5085
Holocene calendar11984
Igbo calendar984–985
Iranian calendar1362–1363
Islamic calendar1404–1405
Japanese calendarShōwa 59
(昭和59年)
Javanese calendar1916–1917
Juche calendar73
Julian calendarGregorian minus 13 days
Korean calendar4317
Minguo calendarROC 73
民國73年
Nanakshahi calendar516
Thai solar calendar2527
Tibetan calendar阴水猪年
(female Water-Pig)
2110 or 1729 or 957
    — to —
阳木鼠年
(male Wood-Rat)
2111 or 1730 or 958
Unix time441763200 – 473385599

1984 (MCMLXXXIV) was a leap year starting on Sunday of the Gregorian calendar, the 1984th year of the Common Era (CE) and Anno Domini (AD) designations, the 984th year of the 2nd millennium, the 84th year of the 20th century, and the 5th year of the 1980s decade.