As a result of this turmoil, specific regions in mainland Greece witnessed a dramatic population decrease, especially Boeotia, Argolis and Messenia [REF].
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.