Answer
Around 258 AD, Galerius, also known as Gaius Galerius Valerius Maximianus, was born in Dacia Aureliana, a Roman province in present-day Romania. While details about his early life are limited, he rose through the military ranks under the emperors Diocletian and Maximian, becoming one of the four tetrarchs who shared power in the Roman Empire during the latter half of the 3rd century.