- Helen Keller, Mother Teresa, and John Newton
- Martin Luther, Christopher Columbus, and Dietrich Bonhoeffer
- Billy Sunday, John Hyde, and many more
- tweens, teens, and young adults
- homeschooling history lessons and curriculums
- birthdays, first-day of school gifts, last-day of school gifts, and holiday gift giving
- parents teaching kids how to pray
- history enthusiasts interested in the viewpoint of the people [or nation] who prayed, and the miracles that occurred