86 BCE - Lucius Cornelius Sulla, at the head of a Roman Republic army, enters in Athens, removing the tyrant Aristion who was supported by troops of Mithridates VI of Pontus.
286 - Roman Emperor Diocletian raises Maximian to the rank of Caesar.
293 - Roman Emperors Diocletian and Maximian appoint Constantius Chlorus and Galerius as Caesares, thus beginning the Tetrarchy.
317 - Crispus and Constantine II, sons of Roman Emperor Constantine I, and Licinius iunior, son of Emperor Licinius, are made Caesares
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