Question: The Marca Hispanica, also known as the March of Barcelona, was a military buffer zone beyond the former province of Septimania, created by Charlemagne in 795 as a defensive barrier between the Umayyad Moors, it  refers primarily to the Muslim inhabitants of the Maghreb, the Iberian Peninsula, Sicily, and Malta during which time period?
Sentence (from "La Convivencia"): La Convivencia ("The Coexistence") is an academic hypothesis regarding the period of Spanish history from the Muslim Umayyad conquest of Hispania in the early eighth century until the expulsion of the Jews in 1492.
Relevant evidence: No