Lateran Treaty
Negotiations for the settlement of the Roman Question began in 1926 between the government of Italy and the Holy See, and culminated in the agreements of the Lateran Pacts, signed—the Treaty says—for King Victor Emmanuel III of Italy by Benito Mussolini, Prime Minister and Head of Government, and for Pope Pius XI by Pietro Gasparri, Cardinal Secretary of State, on 11 February 1929. It was ratified on 7 June 1929. The agreements were signed in the Lateran Palace, hence the name by which they are known.
Lateran Palace
A notice on 29 August 1589 announced that the work had been completed: "A great palace in Piazza Lateranese has been brought to completion by Sixtus V." Fontana reapplied motifs of the Lateran Palace in the part of the Vatican Palace containing the present papal apartments, which he undertook later, and in his additions to the Quirinal Palace. The east front was finished under Clement XII, who surmounted it with his coat-of-arms in 1735.