<sod>Upon returning to Rome in 1377 after the interlude of the [[Avignon Papacy]], which saw Rome subject to civil unrest and the abandonment of several Christian monuments, the Popes chose to reside first at [[Basilica di Santa Maria in Trastevere]] and then at [[Basilica di Santa Maria Maggiore]]. The Vatican Palace had fallen into disrepair from lack of upkeep and the Lateran Palace underwent two destructive fires, in 1307 and 1361, which did irreparable harm.<ref>Pedro Tafur, ''[http://depts.washington.edu/silkroad/texts/tafur.html#ch3 Andanças e viaje]'' (in Spanish)</ref> In 1447, [[Pope Nicholas V]] razed the ancient fortified-palace of Eugene III to erect a new building, the current Apostolic Palace.<ref>{{cite book |last=Müntz |first=Eugène |title=Les arts à la cour des Papes pendant le XVe et le XVIe siècle |year=1878 |publisher=Georg Olms Verlag |isbn=9783487413006 |url=http://books.google.fr/books?id=KqwC34pe-yIC&printsec=frontcover&hl=fr&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false |accessdate=14 August 2013 |language=French}}</ref><eod>
<sod>Upon returning to Rome in 1377 after the interlude of the [[Avignon Papacy]], which saw Rome subject to civil unrest and the abandonment of several Christian monuments, the Popes chose to reside first at [[Basilica di Santa Maria in Trastevere]] and then at [[Basilica di Santa Maria Maggiore]]. The Vatican Palace had fallen into disrepair from lack of upkeep and the Lateran Palace underwent two destructive fires, in 1307 and 1361, which did irreparable harm.<ref>Pedro Tafur, ''[http://depts.washington.edu/silkroad/texts/tafur.html#ch3 Andanças e viaje]'' (in Spanish)</ref> In 1447, [[Pope Nicholas V]] razed the ancient fortified-palace of Eugene III to erect a new building, the current Apostolic Palace.<ref>{{cite book |last=Müntz |first=Eugène |title=Les arts à la cour des Papes pendant le XVe et le XVIe siècle |year=1878 |publisher=Georg Olms Verlag |isbn=9783487413006 |url=https://books.google.com/books?id=KqwC34pe-yIC&printsec=frontcover&hl=fr&source=gbs_ge_summary_r&cad=0#v=onepage&q&f=false |accessdate=14 August 2013 |language=French}}</ref><eod>