overcome growing political problems. Diocletian refused, and while he was showing them his garden, he told them that he could not leave his beautiful garden which he had created by his own hands. This gesture showed that he remained bound by his word to leave political life after 21 years of ruling the Roman Empire.
Following the fall of the Western Roman Empire in AD 476, Spalatum became a part of the Eastern Roman Empire, also known as Byzantium. It grew very slowly as a satellite town of the much larger Salona. However, around AD 639 Salona fell to the invasion of Avars and Slavs, and was razed to the ground[dubious � discuss], with the majority of the displaced citizens fleeing to the nearby Adriatic islands. Following the return of Byzantine rule to the area, the Romanic citizens returned to the mainland under the leadership of the nobleman known as Severus the Great. They chose to inhabit Diocletian's Palace in Spalatum, because of its strong (more "medieval") fortifications. The palace was long deserted by this time, and the interior was converted into a city by the Salona refugees, making Spalatum much larger as the successor to the capital city of the province. Today the palace constitutes the inner core of the city, still inhabited, full of shops, markets, squares, with an ancient Cathedral of St. Duje (formerly Diocletian's mausoleum) inserted in the corridors and floors of the former palace. As a part of the Byzantine Empire, the city had varying but significant political autonomy.
Middle Ages
The Medieval period in Split's Dalmatia province is marked by the waning power of the Byzantine Empire, and by the struggle of the neighboring powers, namely the Venetian Republic, the Kingdom of Croatia, and (later) the Kingdom of Hungary, to fill the power vacuum.The arrival of the Croats in the 7th century profoundly influenced the area. The hinterland and the islands were predominantly populated by the Croats, who began
