<Dl> <Dt> Naval battles </Dt> </Dl> <Ul> <Li> Getaria </Li> <Li> Cádiz </Li> <Li> 1st Tarragona </Li> <Li> 2nd Tarragona </Li> <Li> Barcelona </Li> <Li> Cartagena </Li> <Li> Orbetello </Li> <Li> Cambrils </Li> <Li> Bordeaux </Li> </Ul> <P> The Thirty Years' War was a war fought primarily in Central Europe between 1618 and 1648 . One of the longest and most destructive conflicts in human history, as well as the deadliest European religious war, in history, the war resulted in eight million casualties . </P> <P> Initially a war between various Protestant and Catholic states in the fragmented Holy Roman Empire, it gradually developed into a more general conflict involving most of the great powers . These states employed relatively large mercenary armies, and the war became less about religion and more of a continuation of the France--Habsburg rivalry for European political pre-eminence . </P>

Which describes a result of the 30 years war