War Sermons
In the Hussite Wars of the 1420s the armies sang the hymn 'Ye Who Are Warriors of God', led by a priest. It is said to have frightened a crusading army into flight.
In England the open-air pulpit at Paul's Cross was the most important public pulpit of Tudor times. It carried the crown's message to the people, among them the thanksgiving after the Armada in 1588.