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Mycenaean Greece perished with the collapse of Bronze Age culture in the eastern Mediterranean, to be followed by the so-called Greek Dark Ages, a recordless transitional period leading to Archaic Greece where significant shifts occurred from palace-centralized to de-centralized forms of socio-economic organization (including the extensive use of iron).[10] Various theories have been proposed for the end of this civilization, among them the Dorian invasion or activities connected to the "Sea Peoples". Additional theories such as natural disasters and climatic changes have been also suggested.
The hypothesis of a Dorian invasion, known as such in Ancient Greek tradition, that led to the end of Mycenaean Greece, is supported by sporadic archaeological evidence such as new types of burials, in particular cist graves, and the use of a new dialect of Greek, the Doric one. It appears that the Dorians moved southward gradually over a number of years and devastated the territory, until they managed to establish themselves in the Mycenaean centers.[70] A new type of ceramic also appeared, called "Barbarian Ware" because it was attributed to invaders from the north.[63] On the other hand, the collapse of Mycenaean Greece coincides with the activity of the Sea Peoples in the Eastern Mediterranean. They caused widespread destruction in Anatolia and the Levant and were finally defeated by Pharaoh Ramesses III in c. 1175 BC. One of the ethnic groups that comprised these people were the Eqwesh, a name that appears to be linked with the Ahhiyawa of the Hittite inscriptions
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