What important ceremony did the Israelites perform before beginning the conquest of Jericho?

Before beginning the conquest of Jericho, the Israelites performed the ceremony of circumcision at Gilgal. This act symbolized their renewed covenant with God and their identity as His chosen people after wandering in the desert for 40 years. Additionally, they celebrated the Passover, commemorating their deliverance from Egypt, which reinforced their faith and unity as they prepared for the impending battle.