| Centuries: | 3rd century · 4th century · 5th century |
| Decades: | 290s 300s 310s 320s 330s 340s 350s |
| Years: | 319 320 321 322 323 324 325 |
| 322 by topic | |
| Politics | |
| State leaders – Sovereign states | |
| Birth and death categories | |
| Births – Deaths | |
| Establishment and disestablishment categories | |
| Establishments – Disestablishments | |
| Gregorian calendar | 322 CCCXXII |
| Ab urbe condita | 1075 |
| Armenian calendar | N/A |
| Bahá'í calendar | -1522 – -1521 |
| Bengali calendar | -271 |
| Berber calendar | 1272 |
| Buddhist calendar | 866 |
| Burmese calendar | -316 |
| Byzantine calendar | 5830 – 5831 |
| Chinese calendar | 辛巳年十一月廿七日 (2958/3018-11-27) — to —
壬午年閏十一月初七日(2959/3019-intercalary 11-7) |
| Coptic calendar | 38 – 39 |
| Ethiopian calendar | 314 – 315 |
| Hebrew calendar | 4082 – 4083 |
| Hindu calendars | |
| - Bikram Samwat | 378 – 379 |
| - Shaka Samvat | 244 – 245 |
| - Kali Yuga | 3423 – 3424 |
| Holocene calendar | 10322 |
| Iranian calendar | 300 BP – 299 BP |
| Islamic calendar | 309 BH – 308 BH |
| Japanese calendar | |
| Korean calendar | 2655 |
| Thai solar calendar | 865 |