The king who dressed in monk's robe begging for forgiveness?

The king who famously donned a monk's robe to beg for forgiveness is King Henry IV of France. After a tumultuous period of civil war and religious conflict, he converted from Protestantism to Catholicism to unify his country. His act of humility, wearing a monk’s robe, symbolized his desire for reconciliation and peace among the factions in France. This moment is often seen as a pivotal step in his efforts to stabilize and strengthen his reign.