Numbers 33:1

Wanderings from Egypt to Sinai

33:1 These are the journeys of the Israelites, who went out of the land of Egypt by their divisions under the authority of Moses and Aaron.

Exodus 12:17

12:17 So you will keep the Feast of Unleavened Bread, because on this very day I brought your regiments out from the land of Egypt, and so you must keep this day perpetually as a lasting ordinance.