For Yahweh your God dried up the waters of the Jordan from before you, until you were passed over, as Yahweh your God did to the Red Sea, which he dried up from before us, until we were passed over;
The notation that the crossing took place on the tenth day of the first month (Joshua 4:19) is significant. It was exactly 40 years earlier, to the day, that God instructed Israel to prepare to depart from Egypt by setting apart the paschal lambs (Exodus 12:3).