| Millennium: | 2nd Millennium |
|---|---|
| Centuries: | 12th cent. – 13th cent. – 14th cent. |
| Decades: | 1190s 1200s 1210s – 1220s – 1230s 1240s 1250s |
| Years: | 1223 1224 1225 – 1226 – 1227 1228 1229 |
| Gregorian calendar | 1226 MCCXXVI |
| Ab urbe condita | 1979 |
| Armenian calendar | 675 ԹՎ ՈՀԵ |
| Assyrian calendar | 5976 |
| Bengali calendar | 633 |
| Berber calendar | 2176 |
| English Regnal year | 10 Hen. 3 – 11 Hen. 3 |
| Buddhist calendar | 1770 |
| Burmese calendar | 588 |
| Byzantine calendar | 6734–6735 |
| Chinese calendar | 乙酉年 (Wood Rooster) 3922 or 3862 — to — 丙戌年 (Fire Dog) 3923 or 3863 |
| Coptic calendar | 942–943 |
| Discordian calendar | 2392 |
| Ethiopian calendar | 1218–1219 |
| Hebrew calendar | 4986–4987 |
| Hindu calendars | |
| - Vikram Samvat | 1282–1283 |
| - Shaka Samvat | 1147–1148 |
| - Kali Yuga | 4326–4327 |
| Holocene calendar | 11226 |
| Igbo calendar | 226–227 |
| Iranian calendar | 604–605 |
| Islamic calendar | 622–624 |
| Japanese calendar | Karoku 2 (嘉禄２年) |
| Javanese calendar | 1134–1135 |
| Julian calendar | 1226 MCCXXVI |
| Korean calendar | 3559 |
| Minguo calendar | 686 before ROC 民前686年 |
| Nanakshahi calendar | −242 |
| Thai solar calendar | 1768–1769 |
The year AD 1226