Yahweh separates the Red Sea so that the Israelites can cross and escape the Egyptian army. The Egyptian Army is drowned when they follow them. This miracle convinces the Israelites to put their trust in Yahweh and Moses.
Exodus 13: Consecration of the Firstborn
Yahweh tells the Israelites to consecrate their firstborn sons and livestock and celebrate a festival to commemorate their deliverance from Egypt. The Israelites take a circuitous route to draw Pharaoh’s army after them.