In 1870, a momentous event occurred that forever altered the landscape of Italian nationalism and politics - the Papal States and the city of Rome were incorporated into the Kingdom of Italy.

This pivotal moment was the culmination of a long and complex struggle for Italian unification, which had been gaining momentum since the mid-19th century.

The Papal States, a collection of territories controlled by the Pope, had long been a significant political and religious force in the region.

However, the growing tide of Italian nationalism, fueled by the ideals of the Risorgimento movement, challenged the Papal States' autonomy and sovereignty. - https://italyfocusguide.com/blog/papal-states-rome-join-italy/?unique_id_brnkdjuu

"The Unification of Italy: The Papal States and Rome's Pivotal Role"