How did Roman Catholicism shape Italian history and society?

Roman Catholicism has fundamentally shaped Italian history and society for centuries, influencing politics, culture, and daily life.

Historical Influence

For much of Italy's history, the papacy exerted significant political power through the Papal States, which divided the peninsula and often necessitated foreign intervention to protect papal interests. During the Counter-Reformation, the Church became a central force in defining dogma and social order, utilizing institutions like the Jesuits to influence education and state affairs. Furthermore, the Church was a primary patron of the arts, fueling the architectural and intellectual flowering of Rome and the broader Renaissance.1234

Modern Evolution

The relationship between the Church and the state was formalized by the Lateran Treaty in 1929, which established Vatican City and made Catholicism the state religion. However, the late 20th century saw a marked secularization of Italian society. Following the concordat of 1985, Catholicism ceased to be the state religion, and compulsory religious education in public schools was abolished. Today, while a large majority of Italians identify as Catholic, the influence of the Church on social policy—such as laws regarding divorce and abortion—has faced significant challenges from secular movements.567