The period that followed the reign of Alexander the Great is the Hellenistic Period. It refers to the era after his death and the formation of the Roman Empire in 31 BC. The Golden Ages is a mythological concept referring to ancient Greece. The Dark Ages refer to the Middle Ages, from the 5th to the 15th centuries. The Mesolithic Era was during the Stone Age, so way before Alexanderwho lived from 356 BC to 323 BC.
