| Millennium: | 2nd millennium | 
|---|---|
| Centuries: | |
| Decades: | |
| Years: | 
| 1212 by topic | |
| Leaders | |
| Political entities - State leaders - Religious leaders | |
| Birth and death categories | |
| Births – Deaths | |
| Establishments and disestablishments categories | |
| Establishments – Disestablishments | |
| Art and literature | |
| 1212 in poetry | |
| Gregorian calendar | 1212 MCCXII | 
| Ab urbe condita | 1965 | 
| Armenian calendar | 661 ԹՎ ՈԿԱ | 
| Assyrian calendar | 5962 | 
| Bengali calendar | 619 | 
| Berber calendar | 2162 | 
| English Regnal year | 13 Joh. 1 – 14 Joh. 1 | 
| Buddhist calendar | 1756 | 
| Burmese calendar | 574 | 
| Byzantine calendar | 6720–6721 | 
| Chinese calendar | 辛未年 (Metal Goat) 3908 or 3848 — to — 壬申年 (Water Monkey) 3909 or 3849 | 
| Coptic calendar | 928–929 | 
| Discordian calendar | 2378 | 
| Ethiopian calendar | 1204–1205 | 
| Hebrew calendar | 4972–4973 | 
| Hindu calendars | |
| - Vikram Samvat | 1268–1269 | 
| - Shaka Samvat | 1133–1134 | 
| - Kali Yuga | 4312–4313 | 
| Holocene calendar | 11212 | 
| Igbo calendar | 212–213 | 
| Iranian calendar | 590–591 | 
| Islamic calendar | 608–609 | 
| Japanese calendar | Kenryaku 2 (建暦2年) | 
| Javanese calendar | 1120–1121 | 
| Julian calendar | 1212 MCCXII | 
| Korean calendar | 3545 | 
| Minguo calendar | 700 before ROC 民前700年 | 
| Nanakshahi calendar | −256 | 
| Thai solar calendar | 1754–1755 | 
@ Year 1212 (MCCXII) was a leap year starting on Sunday (link will display the full calendar) of the Julian calendar.