Staurakios' overland campaign from Constantinople into Greece and the Peloponnese, which according to Theophanes the Confessor made many prisoners and forced the Slavs to pay tribute. From the mid-9th century, following a Slavic revolt and attack on Patras, a determined Hellenization process was carried out. According to the Chronicle of Monemvasia, in 805 the Byzantine governor of Corinth went to war with the Slavs, exterminated them, and allowed the original inhabitants to claim their lands. They regained control of the city of Patras and the region was re-settled with Greeks. Many Slavs were transported to Asia Minor, and many Asian, Sicilian and Calabrian Greeks were resettled in the Peloponnese. By the turn of the 9th century, the entire Peloponnese was formed into the new thema of Peloponnesos, with its capital at Corinth. The imposition of Byzantine rule over the Slavic enclaves may have largely been a process of Christianization and accommodating Slavic chieftains into the Imperial fold, as literary, epigraphic and sigillographic evidence testify to Slavic archontes participating in Imperial affairs. By the end of the 9th century, the Peloponnese was culturally and administratively Greek again, except for a few small Slavic tribes in the mountains such as the Melingoi and Ezeritai. Although they were to remain relatively autonomous until Ottoman times, such tribes were the exception rather than the rule. Even the Melingoi and Ezeritai, however, could speak Greek and appear to have been Christian. The success of the Hellenization campaign also shows that the Slavs had settled among many Greeks, in contrast to areas further north in what is now Bulgaria and the former Yugoslavia, as those areas could not be Hellenized when they were recovered by the Byzantines in the early 11th century. A 2017-human genetics study showed that the Peloponnesians have little admixture with populations of the Slavic homeland and are much closer to Sicilians and southern Italians. Apart from the troubled relations with the Slavs, the coastal regions of the Peloponnese suffered greatly from repeated Arab raids following the Arab capture of Crete in the 820s and the establishment of a corsair emirate there. After the island was recovered by Byzantium in 961 however, the region entered a period of renewed prosperity, where agriculture, commerce, and urban industry flourished. Frankish rule and Byzantine reconquest In 1205, following the destruction of the Byzantine Empire by the forces of the Fourth Crusade, the Crusaders under William of