| Millennium: | 2nd Millennium |
|---|---|
| Centuries: | 19th cent. – 20th cent. – 21st cent. |
| Decades: | 1940s 1950s 1960s – 1970s – 1980s 1990s 2000s |
| Years: | 1972 1973 1974 – 1975 – 1976 1977 1978 |
| Gregorian calendar | 1975 MCMLXXV |
| Ab urbe condita | 2728 |
| Armenian calendar | 1424 ԹՎ ՌՆԻԴ |
| Assyrian calendar | 6725 |
| Bahá'í calendar | 131–132 |
| Bengali calendar | 1382 |
| Berber calendar | 2925 |
| British Regnal year | 23 Eliz. 2 – 24 Eliz. 2 |
| Buddhist calendar | 2519 |
| Burmese calendar | 1337 |
| Byzantine calendar | 7483–7484 |
| Chinese calendar | 甲寅年 (Wood Tiger) 4671 or 4611 — to — 乙卯年 (Wood Rabbit) 4672 or 4612 |
| Coptic calendar | 1691–1692 |
| Discordian calendar | 3141 |
| Ethiopian calendar | 1967–1968 |
| Hebrew calendar | 5735–5736 |
| Hindu calendars | |
| - Vikram Samvat | 2031–2032 |
| - Shaka Samvat | 1896–1897 |
| - Kali Yuga | 5075–5076 |
| Holocene calendar | 11975 |
| Igbo calendar | 975–976 |
| Iranian calendar | 1353–1354 |
| Islamic calendar | 1394–1395 |
| Japanese calendar | Shōwa 50 (昭和５０年) |
| Javanese calendar | 1906–1907 |
| Juche calendar | 64 |
| Julian calendar | Gregorian minus 13 days |
| Korean calendar | 4308 |
| Minguo calendar | ROC 64 民國64年 |
| Nanakshahi calendar | 507 |
| Thai solar calendar | 2518 |
| Unix time | 157766400–189302399 |
The year 1975 BC
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