Today Johnnette explains about Our Lady, Help of Christians. Instituted by Pope Pius VII after by order of Napoleon I of France, the Pope was arrested on 5 June 1808, and detained a prisoner first at Grenoble, and then at Fontainebleau.[4] In January 1814, after the battle of Leipzig, he was brought back to Savona and set free on 17 March, on the eve of the feast of Our Lady of Mercy.