To navigate the timeline, click and drag it with your mouse, or click on the timeline overview on the bottom.
240 CE
250 CE
260 CE
270 CE
280 CE
290 CE
300 CE
310 CE
320 CE
330 CE
245 CE: Birth of Emperor Diocletian.
284 CE - 275 CE: Crisis of the Third Century resolved during the reign of Diocletian.
284 CE - 305 CE: Reign of Roman Emperor Diocletian.
285 CE: The Roman empire is split into the Western and Eastern Roman empires.
289 CE: Emperor Diocletian defeats Sarmatians.
292 CE: Emperor Diocletian defeats Saracens.
293 CE: Diocletian reforms the Roman coinage system, guaranteeing the gold aurei at 60 to a pound and minting the nummus coin.
298 CE: Roman Emperor Diocletian reunifies the Kingdom of Armenia.
301 CE: Diocletian reasseses the values of Roman coins and limits minting rights to between 12 and 15 mints across the empire.
303 CE: Emperor Diocletian orders all Churches destroyed.
305 CE: The Baths of Diocletian in Rome are completed.
311 CE: Death of Emperor Diocletian.
330 CE: Diocletian and Maximian celebrate a triumph in Rome for their victories in Britain and Africa.