What did Joshua do to help the people remember how God worked a miracle when they crossed the Jordan River (Josh 4:1-9)? He had them remove twelves stones from the dry river bed to create a monument on shore.
That this may be a sign among you, that when your children ask their fathers in time to come, What mean ye by these stones? Then ye shall answer them…
Whenever someone in the future asked about the monument, those who had seen the miracle could retell the story.
As a leader, what can you provide to help people remember past victories and keep the vision in mind?