1973

Clockwise from top-left: the Thai popular uprising resulted in the end of the ruling military dictatorship of anti-communist Thanom Kittikachorn, the U.S. launches its first space station; an armed conflict between Israel and a coalition of Arab states led by Egypt and Syria takes place; a group of military officers led by General Augusto Pinochet seized power in a U.S.-backed coup; students in Athens protest the Greek military; Paris Peace Accords are signed to establish peace in Vietnam and end the Vietnam War; the Sydney Opera House is opened; OPEC proclaimed an oil embargo, which caused an oil crisis.
Millennium: 2nd millennium
Centuries:
Decades:
Years:
1973 in various calendars
Gregorian calendar1973
MCMLXXIII
Ab urbe condita2726
Armenian calendar1422
ԹՎ ՌՆԻԲ
Assyrian calendar6723
Baháʼí calendar129–130
Balinese saka calendar1894–1895
Bengali calendar1380
Berber calendar2923
British Regnal year21 Eliz. 2 – 22 Eliz. 2
Buddhist calendar2517
Burmese calendar1335
Byzantine calendar7481–7482
Chinese calendar壬子年 (Water Rat)
4670 or 4463
    — to —
癸丑年 (Water Ox)
4671 or 4464
Coptic calendar1689–1690
Discordian calendar3139
Ethiopian calendar1965–1966
Hebrew calendar5733–5734
Hindu calendars
 - Vikram Samvat2029–2030
 - Shaka Samvat1894–1895
 - Kali Yuga5073–5074
Holocene calendar11973
Igbo calendar973–974
Iranian calendar1351–1352
Islamic calendar1392–1393
Japanese calendarShōwa 48
(昭和48年)
Javanese calendar1904–1905
Juche calendar62
Julian calendarGregorian minus 13 days
Korean calendar4306
Minguo calendarROC 62
民國62年
Nanakshahi calendar505
Thai solar calendar2516
Tibetan calendar阳水鼠年
(male Water-Rat)
2099 or 1718 or 946
    — to —
阴水牛年
(female Water-Ox)
2100 or 1719 or 947
Unix time94694400 – 126230399

1973 (MCMLXXIII) was a common year starting on Monday of the Gregorian calendar, the 1973rd year of the Common Era (CE) and Anno Domini (AD) designations, the 973rd year of the 2nd millennium, the 73rd year of the 20th century, and the 4th year of the 1970s decade.