Who were the "sea-people" that the Egyptians said were responsible for attacking them during the collapse of the Bronze Age?

by no_goddamn_name_left

Also, is there a definite surety on their existence or is it still a mere hypothesis?

hillsonghoods

More can always be said, but there's some excellent answers in our FAQ on exactly this question by the excellent /u/bentresh and /u/kookingpot. Hope that helps!