The first leader of this state published Mit Brennender Sorge in opposition to Nazi treatment of Jews, although he credited that publication to his eventual successor, who represented this state at the signing of the Reichskonkordat. The creation of this state ended the Roman Question with the signing of the Lateran Treaty. A butler to one head of state of this polity was found guilty of stealing classified documents regarding corruption among high ranking members in this state's hierarchy. For 
The first leader of this state published Mit Brennender Sorge in opposition to Nazi treatment of Jews, although he credited that publication to his eventual successor, who represented this state at the signing of the Reichskonkordat. The creation of this state ended the Roman Question with the signing of the Lateran Treaty. A butler to one head of state of this polity was found guilty of stealing classified documents regarding corruption among high ranking members in this state's hierarchy. For 10 points, name this smallest recognized sovereign state, which is the location of St. Peter's Basilica and is governed by the Pope.
The first leader of this state published Mit Brennender Sorge in opposition to Nazi treatment of Jews, although he credited that publication to his eventual successor, who represented this state at the signing of the Reichskonkordat.
Vatican City State [accept Stato della Città del Vaticano; prompt on the "Holy See"; do not accept "Papal States"]