. "600 A.D."@en . . . . "600 A.D., also known as the Middle Ages, is one of the eras in the role-playing game Chrono Trigger. It's known as the Middle Ages because it is a time when the Kingdom of Guardia fought against Magus and his army. The playable character Frog is from this era."@en . "Chrono Trigger"@en . . . . . "A"@en . "Middle Ages"@en . "World Map"@en . . "Location"@en . "600"^^ . "600 A.D., also known as the Middle Ages, is one of the eras in the role-playing game Chrono Trigger. It's known as the Middle Ages because it is a time when the Kingdom of Guardia fought against Magus and his army. The playable character Frog is from this era."@en .