MyPuzzle Maryland: The Old Line State - Premium 100 Piece Jigsaw Puzzle for Adults100 piece Jigsaw Puzzle Maryland: The Old Line State from the Anderson Design Group Collection by MyPuzzle. Maryland, often called The Old Line State, earned its nickname from the Maryland Line, a regiment that served courageously in the Revolutionary War. The state is a patchwork of diverse environments, from the Appalachian Mountains to the Chesapeake Bay, known for its blue crabs and oysters. Maryland's history is rich, from its founding as a haven