1228
| Millennium: | 2nd millennium |
|---|---|
| Centuries: | 12th century – 13th century – 14th century |
| Decades: | 1190s 1200s 1210s – 1220s – 1230s 1240s 1250s |
| Years: | 1225 1226 1227 – 1228 – 1229 1230 1231 |
| Gregorian calendar | 1228 MCCXXVIII |
| Ab urbe condita | 1981 |
| Armenian calendar | 677 ԹՎ ՈՀԷ |
| Assyrian calendar | 5978 |
| Balinese saka calendar | 1149–1150 |
| Bengali calendar | 635 |
| Berber calendar | 2178 |
| English Regnal year | 12 Hen. 3 – 13 Hen. 3 |
| Buddhist calendar | 1772 |
| Burmese calendar | 590 |
| Byzantine calendar | 6736–6737 |
| Chinese calendar | 丁亥年 (Fire Pig) 3924 or 3864 — to — 戊子年 (Earth Rat) 3925 or 3865 |
| Coptic calendar | 944–945 |
| Discordian calendar | 2394 |
| Ethiopian calendar | 1220–1221 |
| Hebrew calendar | 4988–4989 |
| Hindu calendars | |
| - Vikram Samvat | 1284–1285 |
| - Shaka Samvat | 1149–1150 |
| - Kali Yuga | 4328–4329 |
| Holocene calendar | 11228 |
| Igbo calendar | 228–229 |
| Iranian calendar | 606–607 |
| Islamic calendar | 625–626 |
| Japanese calendar | Antei 2 (安貞２年) |
| Javanese calendar | 1136–1137 |
| Julian calendar | 1228 MCCXXVIII |
| Korean calendar | 3561 |
| Minguo calendar | 684 before ROC 民前684年 |
| Nanakshahi calendar | −240 |
| Thai solar calendar | 1770–1771 |
| Tibetan calendar | 阴火猪年 (female Fire-Pig) 1354 or 973 or 201 — to — 阳土鼠年 (male Earth-Rat) 1355 or 974 or 202 |
1228 (MCCXXVIII) was a leap year starting on Saturday of the Julian calendar, the 1228th year of the Common Era (CE) and Anno Domini (AD) designations, the 228th year of the 2nd millennium, the 28th year of the 13th century, and the 9th year of the 1220s decade. As of the start of 1228, the Gregorian calendar was 7 days ahead of the Julian calendar, which was the dominant calendar of the time.
Events
- The Sixth Crusade is launched by Frederick II, Holy Roman Emperor, after delays due to sickness and an excommunication from Pope Gregory IX.
- Conrad IV of Germany becomes titular King of Jerusalem, with Frederick II as regent.
- Baldwin II becomes emperor of the Latin Empire in Constantinople, with John of Brienne as regent.
- Amadeus IV becomes count of Savoy.
- Francis of Assisi founder of the Franciscan order Canonized by Pope Gregory IX
- Sukaphaa, the first Ahom king, establishes his rule in Assam. The Ahom kings reigned for close to 600 years.
- First mention of the Transylvanian town of Reghin, in a charter of Andrew II of Hungary.