Ancient Greek includes the forms of Greek used in ancient Greece and the ancient world from around the 9th century BCE to the 6th century CE. It is often roughly divided into the Archaic period (9th to 6th centuries BCE), Classical period (5th and 4th centuries BCE), and Hellenistic period (3rd century BCE to 6th century CE). It is antedated in the second millennium BCE by Mycenaean Greek.