Joshua 4:1
And it came to pass, when all the people were clean passed over Jordan, that the Lord spake unto Joshua, saying,
Cross-reference
Joshua 3:17
Parallel
In Joshua 3:17, the priests stand in the Jordan until all Israel crosses — this verse records the completion of that event.
Deuteronomy 27:2
Parallel
Deuteronomy 27:2 commands setting up stones after crossing — Joshua 4:1 marks the crossing, leading to the fulfillment of that command.
Deuteronomy 12:10
Prophetic fulfillment
Deuteronomy 12:10 promises rest from enemies after crossing — this crossing at Joshua 4:1 is the initial step toward that rest.