Marriage, a sacred union between two individuals, has evolved throughout history. But when did it transition into a religious sacrament? Tracing its roots, we discover that this transformation occurred around the 12th century, as the Church sought to assert its authority over the institution. By embracing marriage as a sacrament, the Church bestowed it with divine significance, elevating it to a holy bond ordained by God. Thus, began a new chapter in the history of marriage, intertwining love, faith, and spirituality.