Answer:
<h3>Answer 1.</h3>
Diocletian (/ˌdaɪ.əˈkliːʃən/; Latin: Gaius Aurelius Valerius Diocletianus; born Diocles; 22 December c. 244 – 3 December 311) was a Roman emperor from 284 to 305. Born to a family of low status in Dalmatia, Diocletian rose through the ranks of the military to become a cavalry commander of the Emperor Carus's army. After the deaths of Carus and his son Numerian on campaign in Persia, Diocletian was proclaimed emperor. The title was also claimed by Carus's surviving son, Carinus, but Diocletian defeated him in the Battle of the Margus.
<h3>Answer 2.</h3>
The Sack of Rome on 24 August 410 AD was undertaken by the Visigoths led by their king, Alaric. At that time, Rome was no longer the capital of the Western Roman Empire, having been replaced in that position first by Mediolanum in 286 and then by Ravenna in 402. Nevertheless, the city of Rome retained a paramount position as "the eternal city" and a spiritual center of the Empire. This was the first time in almost 800 years that Rome had fallen to a foreign enemy, and the sack was a major shock to contemporaries, friends and foes of the Empire alike.
<h3>Answer 3.</h3>
330 CE
The founder of the Byzantine Empire and its first emperor, Constantine the Great, moved the capital of the Roman Empire to the city of Byzantium in 330 CE, and renamed it Constantinople.
<h3>Answer 4.</h3>
It was done in Constantinople endured for more than 1,100 years as the Byzantine capital in large part due to the protective wall completed under Theodosius II in 413.
<h3>Answer 5.</h3>
Theodosius l.
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