Before it was a pirate ship, Queen Anne’s Revenge was known by another name.The ship, La Concorde, was a slave-trading vessel that became the infamous pirate Blackbeard’s flagship.Archaeological Conservators and Researchers with the N.C. Office of State Archaeology will explain the history of the ship Nov. 2 during their “Saturday at the QAR Lab” tours of the Queen Anne’s Revenge Conservation Lab in Greenville.