|   |
3rd century
|
|   |
4th century
|
|   |
5th century
|
|   |
318
|
|   |
319
|
|   |
320
|
|   |
321
|
|   |
322
|
|   |
323
|
|   |
324
|
|   |
290s
|
|   |
300s
|
|   |
310s
|
|   |
320s
|
|   |
330s
|
|   |
340s
|
|   |
350s
|
|
__NOTOC__
- March 7 — Edict of Constantine I , which sets the ''dies Solis Invicti'' (Sunday) as the day of rest: trade is forbidden; agriculture is allowed.
|