1977

From top to bottom, left to right: Star Wars premieres, revolutionizing science fiction and blockbuster films; the Atari Video Computer System is released, popularizing cartridge-based gaming; Elvis Presley dies at Graceland, marking the end of a rock and roll era; the Ogaden War erupts as Somalia invades Ethiopia’s Ogaden region; the Torrijos–Carter Treaties set the framework for Panama Canal transfer; the Tenerife airport disaster kills 583 when two Boeing 747s collide, making it the deadliest aviation accident in history (excluding the deaths from American Airlines Flight 11 and United Airlines Flight 175 during 9/11); the Apple II is released, sparking the personal computer revolution; the Johnstown flood of 1977 kills 84 in Pennsylvania; and the 1977 Vrancea earthquake in Romania kills thousands and causes widespread destruction.
1977 in various calendars
Gregorian calendar1977
MCMLXXVII
Ab urbe condita2730
Armenian calendar1426
ԹՎ ՌՆԻԶ
Assyrian calendar6727
Baháʼí calendar133–134
Balinese saka calendar1898–1899
Bengali calendar1383–1384
Berber calendar2927
British Regnal year25 Eliz. 2 – 26 Eliz. 2
Buddhist calendar2521
Burmese calendar1339
Byzantine calendar7485–7486
Chinese calendar丙辰年 (Fire Dragon)
4674 or 4467
    — to —
丁巳年 (Fire Snake)
4675 or 4468
Coptic calendar1693–1694
Discordian calendar3143
Ethiopian calendar1969–1970
Hebrew calendar5737–5738
Hindu calendars
 - Vikram Samvat2033–2034
 - Shaka Samvat1898–1899
 - Kali Yuga5077–5078
Holocene calendar11977
Igbo calendar977–978
Iranian calendar1355–1356
Islamic calendar1397–1398
Japanese calendarShōwa 52
(昭和52年)
Javanese calendar1908–1909
Juche calendar66
Julian calendarGregorian minus 13 days
Korean calendar4310
Minguo calendarROC 66
民國66年
Nanakshahi calendar509
Thai solar calendar2520
Tibetan calendarམེ་ཕོ་འབྲུག་ལོ་
(male Fire-Dragon)
2103 or 1722 or 950
    — to —
མེ་མོ་སྦྲུལ་ལོ་
(female Fire-Snake)
2104 or 1723 or 951
Unix time220924800 – 252460799

1977 (MCMLXXVII) was a common year starting on Saturday of the Gregorian calendar, the 1977th year of the Common Era (CE) and Anno Domini (AD) designations, the 977th year of the 2nd millennium, the 77th year of the 20th century, and the 8th year of the 1970s decade.