Medieval Christianity shaped European society from the 5th to 15th centuries. The Catholic Church became the dominant religious and cultural force, influencing art, education, and politics. This period saw the rise of monasticism, universities, and the development of scholastic philosophy. Key figures like Augustine, Aquinas, and Francis of Assisi left lasting impacts on Christian thought. The Church's hierarchical structure, core doctrines, and sacramental practices defined religious life. Gothic cathedrals and illuminated manuscripts showcased the artistic achievements of the era.