Μυκηναϊκός Πολιτισμός By facebooker_930568324037058 1600 BCE 1600 Emergence of the Mycenaean civilization in mainland Greece during the Late Bronze Age. 1500 BCE 1500 Expansion of Mycenaean influence across the Aegean, including Crete and the islands. 1400 BCE 1400 Establishment of major centers such as Mycenae, Tiryns, and Pylos, with the construction of palatial complexes. 1300 BCE 1300 Height of Mycenaean power and trade; establishment of trade routes and colonies in Cyprus and along the eastern Mediterranean coast. 1250 BCE 1250 Construction of monumental tholos tombs, such as the "Treasury of Atreus" in Mycenae. 1200 BCE 1200 Decline begins due to internal strife and external pressures from invading groups known as the Sea Peoples. 1100 BCE 1100 Collapse of the Mycenaean civilization, leading to a period known as the Greek Dark Ages.