Diocletian

Diocletian ( ; ; ; 242/245 – 311/312), nicknamed Jovius, was Roman emperor from 284 until his abdication in 305. He was born Diocles to a family of low status in the Roman province of Dalmatia. As with other Illyrian soldiers of the period, Diocles rose through the ranks of the military early in his career, serving under Aurelian and Probus, and eventually becoming a cavalry commander for the army of Emperor Carus. After the deaths of Carus and his son Numerian on a campaign in Persia, Diocles was proclaimed emperor by the troops, taking the name "Diocletianus". The title was also claimed by C

one of the largest libraries in the ancient world, located in Alexandria, Egypt

year-numbering system

ancient palace built for the Roman emperor Diocletian

ancient Roman bath, a landmark of Rome, Italy

(303-313) last and most severe persecution of Christians in the Roman Empire

Roman triumphal column in Alexandria, Egypt

Augusta of the Eastern Roman Empire (266–315)

Roman empress, wife of Emperor Diocletian

edict

aqueduct

Roman temple in Split, Croatia

battle during the Crisis of the Third Century

Archaeological site in Syria

historical military organization

type of semicircular window

Roman coin type

The Capitatio-Iugatio is the tax collection system developed by Diocletian during the Roman Empire, which determines the amount levied on agriculturally productive land.

Council of Carnuntum

a Roman military complex, or castra, built in the ancient city of Palmyra in the Syrian Desert.

Dukljan or Dukljanin ( or ) is a figure in Serbian mythology that is a reflection of the Roman emperor Diocletian. He is presented as the adversary of God, possibly because of the real Diocletian's persecution of Christians.

World Heritage Site in Split, Croatia

legendary Roman saint and martyr