 The destruction even crossed into Europe in what is now Bulgaria.The migration brought an end to Bulgaria's Early Bronze Age, with archaeological evidence showing that the Yunacite, Salcutza, and Esero centers had a sudden mass desertion during this time.From the Dardanelles, the refugee invaders moved into mainland Greece, and the Peloponnese saw burnt and abandoned cities on par with the much later Dorian invasion which destroyed the Mycenaean civilization.