Emperor Justinian’s greatest achievements were the codification of Roman law, known as Justinian's Code, and the construction of the Hagia Sophia.
One of the most significant accomplishments of the Byzantine Emperor Justinian was the compilation and codification of Roman law, known as Justinian's Code. This lasting legal legacy simplified and organized hundreds of years of Roman civil law. It formed the basis of legal systems for many future nations, including many Western countries and it still influences modern legal codes.
Another important accomplishment was the construction of the Hagia Sophia, a basilica and architectural masterpiece that became a symbol of his reign and which still stands in Istanbul, Turkey. This accomplishment demonstrates his contributions to art, architecture, and religious life during the Byzantine Empire.
Learn more about Justinian's accomplishments