The Greeks were the Vikings of the Bronze Age. They built some of history’s first warships. Whether on large expeditions or smaller sorties, whether in the king’s call-up or on freebooting forays, whether as formal soldiers and sailors or as traders who turned into raiders at a moment’s notice, whether as mercenaries, ambassadors, or hereditary guest-friends, the Greeks fanned out across the Aegean and into the eastern and central Mediterranean, with one hand on the rudder and the other on the hilt of a sword. What the sight of a dragon’s head on the stem post of a Viking ship was to an Anglo-Saxon, the sight of a bird’s beak on the stem post of a Greek galley was to a Mediterranean islander or Anatolian mainlander. In the 1400s [B.C.E.], the Greeks conquered Crete, the southwestern Aegean islands, and the city of Miletus on the Aegean coast of Anatolia, before driving eastward into Lycia and across the sea to Cyprus. In the 1300s they stirred up rebels against the Hittite overlords of western Anatolia. In the 1200s they began muscling their way into the islands of the northeastern Aegean, which presented a big threat to Troy….
— The Trojan War, pp. 2-3