the commune are people who are housed for free while at the level of the whole of the France the percentage is 4.9%. Still on all of the municipality housing, 3.5% are studios, 11.5% are two-room housing, 28.4% have three, 34.5% of dwellings have four rooms, and 22.1% of dwellings have five rooms or more. Development projects Toponymy Locality named after John the Baptist, the precursor, son of Zechariah and Saint Elizabeth, cousin of Jesus, beheaded in 31 AD at the request of the Princess Salome. Latin name: Mauriana History Saint-Jean-de-Maurienne has been the capital of the Maurienne Valley since the 6th century. After Saint Thècle reported from Alexandria (Egypt) the relics of St. John the Baptist which are the three fingers represented on the arms of the city, as well as on the Opinel knife blades, the town was raised to the rank of diocese by Guntram, grandson of Clovis I. In 753, Grifo went to Italy to join the King of the Lombards, Aistulf, the most powerful opponent of his half-brother, the King of the Franks, Pepin the Short, but he was killed at Saint-Jean-de-Maurienne by the men of Pepin. The oldest possessions of the Counts of Savoy were the counties of Maurienne, Savoy proper (the district between Arc, Isère, and the middle course of the Rhone), and Belley, with Bugey as its chief town. The Duchy of Savoy, which had been a French-speaking province under the sovereignty of the Kingdom of Sardinia-Piedmont, was invaded by Revolutionary France, but restored to Piedmont in 1815. It became part of France in 1859, after the Second Italian War of Independence. The Aix-les-Bains—Saint-Jean-de-Maurienne railway line opened in 1857. In the early 1900s, the technological advances of Swiss hydroelectric power were originally the subject of intense stock market speculation on hydroelectric companies, which benefitted the Maurienne Valley with industrial facilities, while tourism took off. Politics and administration The city of Saint-Jean-de-Maurienne is a sub-prefecture of Savoie. It is the seat of the arrondissement of Saint-Jean-de-Maurienne, the canton of Saint-Jean-de-Maurienne and the . The city of Saint-Jean-de-Maurienne is part of the . Political trends and outcomes Traditionally, Saint-Jean-de-Maurienne has been a stronghold of the Socialist left, from the 1930s, due to the importance of its worker labor pool. Thus, Roland Merloz was the Socialist mayor from 1977 to 2008. But since the 1990s and sociological changes in the Maurienne (departure of factories, multiplication