"Justinian I." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/justinian-i>.
Justinian I. (n.d.). Retrieved October 11th, 2018, from http://www.yourdictionary.com/justinian-i
Originally Flavius Petrus Sabbatius Justinianus. AD 483-565
Byzantine emperor (527-565) who held the eastern frontier of his empire against the Persians and reconquered former Roman territories in Africa, Italy, and Spain. He ruled jointly with his wife, Theodora.