144 B.C. Work begins on Rome’s longest aqueduct, the 56-mile-long Aqua Marcia. The city has doubled in size since the last channel was built. 33 B.C. After the chaotic civil wars Octavian (later ...

They actually ranked them. At the top of their list was the Aqua Marcia, one of the long aqueducts that came from the springs in the mountains and traveled 60 miles. In fact, a newer aqueduct of ...