jan 1, 293 - Creation of the Tetarchy
Description:
By the 3rd century, the Roman Empire had grown too large to administer effectively, and so Emperor Diocletian divided the empire into four territories, with two of the regions governed by two senior emperors (augusti) and the other two by two junior successors (caesares).Added to timeline:
Date:
jan 1, 293
Now
~ 1733 years ago