When was ancient Greece born?

The period of origin of ancient Greece falls on 3-2 thousand BC. Then the Minoan civilization reigned on these lands. True, during the catastrophe that occurred in the middle of the 2nd millennium BC, the Minoans weakened and decayed. After that, the dominant positions passed to the Mycenaean civilization, the period of domination of which is 16-12 centuries BC. In the 12th century BC. the Dorians came to the lands of Greece, who are the direct ancestors of the Hellenes.