The aqueduct Alessandrino (Aqua Alexandrina) came realized in the 226 d.C for will of the roman emperor Strict Alexander (11 March 222 - 19 March 235). Its function consisted in carrying the water to the terme of Nerone that was situated in Marzio Field near the Pantheon (about in the zone occupied today from Madama Palace, center of the Senate of the Italian Republic) and that they had been radically restructured from the same emperor (and for this calls also “terme Alessandrine).