| Millennium: | 2nd millennium |
|---|---|
| Centuries: | |
| Decades: | |
| Years: |
| 1171 by topic |
|---|
| Leaders |
| Birth and death categories |
| Births – Deaths |
| Establishments and disestablishments categories |
| Establishments – Disestablishments |
| Art and literature |
| 1171 in poetry |
| Gregorian calendar | 1171 MCLXXI |
| Ab urbe condita | 1924 |
| Armenian calendar | 620 ԹՎ ՈԻ |
| Assyrian calendar | 5921 |
| Balinese saka calendar | 1092–1093 |
| Bengali calendar | 578 |
| Berber calendar | 2121 |
| English Regnal year | 17 Hen. 2 – 18 Hen. 2 |
| Buddhist calendar | 1715 |
| Burmese calendar | 533 |
| Byzantine calendar | 6679–6680 |
| Chinese calendar | 庚寅年 (Metal Tiger) 3868 or 3661 — to — 辛卯年 (Metal Rabbit) 3869 or 3662 |
| Coptic calendar | 887–888 |
| Discordian calendar | 2337 |
| Ethiopian calendar | 1163–1164 |
| Hebrew calendar | 4931–4932 |
| Hindu calendars | |
| - Vikram Samvat | 1227–1228 |
| - Shaka Samvat | 1092–1093 |
| - Kali Yuga | 4271–4272 |
| Holocene calendar | 11171 |
| Igbo calendar | 171–172 |
| Iranian calendar | 549–550 |
| Islamic calendar | 566–567 |
| Japanese calendar | Kaō 3 / Jōan 1 (承安元年) |
| Javanese calendar | 1078–1079 |
| Julian calendar | 1171 MCLXXI |
| Korean calendar | 3504 |
| Minguo calendar | 741 before ROC 民前741年 |
| Nanakshahi calendar | −297 |
| Seleucid era | 1482/1483 AG |
| Thai solar calendar | 1713–1714 |
| Tibetan calendar | 阳金虎年 (male Iron-Tiger) 1297 or 916 or 144 — to — 阴金兔年 (female Iron-Rabbit) 1298 or 917 or 145 |
Year 1171 (MCLXXI) was a common year starting on Friday (link will display the full calendar) of the Julian calendar.