Then came the rise of the Twentieth dynasty, and a third Ramses restored the prestige and prosperity of his kingdom.

But once more the foreign invader was upon its soil.

The nations of the north had again poured southward, partly by land, partly by sea, greedy for the wealth that was stored in the cultured lands of the Oriental world, and eager to find new settlements for an expanding population.
Greek traditions spoke of the movement as a consequence of the Trojan war, and delighted to dwell on the voyages of its heroes into unknown seas, of the piratical descents to which it led, and of the colonies which were planted by it.

The Philistine occupation of southern Palestine was one of its results.
As in the time of Meneptah, the Libyans took part with the northern tribes in the assault upon Egypt, and Sardinians and Sicilians followed behind them.

But the main bulk of the invaders came from the Greek seas.
The Danaans take the place of the Achaeans, and the Philistines are among their allies.