1986

Clockwise from top-left: Space Station Mir is launched by the Soviet Union; the 1986 FIFA World Cup is held in Mexico and is won by Argentina; Halley's Comet comes into perihelion for the first time since 1910; the worst nuclear disaster in human history takes place at Chernobyl in present-day Ukraine; People Power Revolution protests against regime violence and electoral fraud in the Philippines; an earthquake in El Salvador kills 1,000-1,500 people; the U.S. administration is caught in a scandal involving the sale of weapons to Iran to fund the Contras in Nicaragua; Space Shuttle Challenger explodes 73 seconds after liftoff.
Millennium: 2nd millennium
Centuries:
Decades:
Years:
1986 in various calendars
Gregorian calendar1986
MCMLXXXVI
Ab urbe condita2739
Armenian calendar1435
ԹՎ ՌՆԼԵ
Assyrian calendar6736
Baháʼí calendar142–143
Balinese saka calendar1907–1908
Bengali calendar1393
Berber calendar2936
British Regnal year34 Eliz. 2 – 35 Eliz. 2
Buddhist calendar2530
Burmese calendar1348
Byzantine calendar7494–7495
Chinese calendar乙丑年 (Wood Ox)
4683 or 4476
    — to —
丙寅年 (Fire Tiger)
4684 or 4477
Coptic calendar1702–1703
Discordian calendar3152
Ethiopian calendar1978–1979
Hebrew calendar5746–5747
Hindu calendars
 - Vikram Samvat2042–2043
 - Shaka Samvat1907–1908
 - Kali Yuga5086–5087
Holocene calendar11986
Igbo calendar986–987
Iranian calendar1364–1365
Islamic calendar1406–1407
Japanese calendarShōwa 61
(昭和61年)
Javanese calendar1918–1919
Juche calendar75
Julian calendarGregorian minus 13 days
Korean calendar4319
Minguo calendarROC 75
民國75年
Nanakshahi calendar518
Thai solar calendar2529
Tibetan calendar阴木牛年
(female Wood-Ox)
2112 or 1731 or 959
    — to —
阳火虎年
(male Fire-Tiger)
2113 or 1732 or 960
Unix time504921600 – 536457599

1986 (MCMLXXXVI) was a common year starting on Wednesday of the Gregorian calendar, the 1986th year of the Common Era (CE) and Anno Domini (AD) designations, the 986th year of the 2nd millennium, the 86th year of the 20th century, and the 7th year of the 1980s decade.

The year 1986 was designated as the International Year of Peace by the United Nations.