On This Day: In Kentucky's Mammoth Cave National Park, a Cave Research Foundation exploration... (1972)

On September 9, 1972: In Kentucky's Mammoth Cave National Park, a Cave Research Foundation exploration and mapping team discovers a link between the Mammoth and Flint Ridge cave systems, making it the longest known cave passageway in the world.

This historical event can serve as a powerful sermon illustration about godly leadership and its impact. Consider using it when preaching about leadership, discovery.