Extract a list of notable dates and events in the mentioned text in the format, choosing the earliest year when the text provides a range of dates, and place them in a bullet list: {Year} - {Event}

* 98 - Rome reached it's greatest territorial expanse during the reign of Trajan
* 177 - Increasing trouble and decline began with the rain of Commodus
* 270 - Rome reunified under Aurelian after Gallic and Palmyrene Empires broke away
* 286 - Two imperial courts setup by Diocletian in the Greek East and Latin West
* 313 - Edict of Milan led to Christians rising to positions of power
* 476 - Deposition of Romulus Augustus by Odoacer following the fall of Ravenena to the Germanic Herulians
* 480 - Eastern Roman emperor Zeno formally abolished the Western Roman Empire
* 1453 - Eastern Roman Empire fell to the Ottoman Turks