Lusitanic definitions of "Lusitanic" or "Lusitanian" may include medieval-to-modern Galicia, because the Portuguese people and Galician people share close linguistic and cultural ties, including pre-Roman Celtic ones. Modern Portuguese and the Galician language both derive from medieval Galician-Portuguese, and the term is a cultural classification more than a historic–geographical definition. Although, in Ancient Roman times, the Gallaeci were not part of Lusitania province, what became the Galician-Portuguese language developed from Vulgar Latin in Gallaecia, which comprised what is now Galicia, as well as north Portugal, the center of the development of post-Roman Portuguese culture. Later Portuguese use of the name "Lusitania"
Claudius, Duke of Lusitania Claudius, Duke of Lusitania Claudius was a Hispano-Roman Catholic "dux" (duke) of Lusitania (or "dux Emeretensis civitatis") in the late sixth century. He was one of the most successful generals of Reccared I. In 587, after a count named Witteric had exposed the plot of Sunna, the Arian bishop of Mérida, to place the Visigoth Segga on the throne and probably to also kill the Catholic Méridan bishop Masona, Claudius was sent to put down the revolt. Segga was captured, his hands cut off (the penalty for usurpers), and banished to Galicia. The less important conspirators were deprived of their