Siege of Athens and Piraeus (87–86 BC) cities that returned to Roman dominance as their tyrant Aristion, imposed by Mithridates VI was not disposed to capitulate to the invaders. Sulla marched towards Athens and upon his arrival he encountered his first problem. The main outer wall that had surrounded the city, connecting the main city with its port at Piraeus was in ruins. As such, Sulla was forced to raise two separate sieges, throwing up siege works surrounding both Athens and Piraeus. A force commanded by Archelaus defended Piraeus whilst another commanded by Aristion took up the main defense of Athens. The sea defense was considerably easier
University of Piraeus an M.B.A. or a M.Sc. degree at its completion: The institution is home to the University of Piraeus Research Center (UPRC) which, since its founding in 1989, has participated in technological research on a national and international level, particularly in areas related to networking and internet technology. In addition, many cooperation agreements under the Erasmus +, as well as other bilateral cooperation agreements and interuniversity provided, exchange of students and staff, exchange of teaching and research material and conduct joint research projects and conferences. Moreover, the university is a member of international organizations such as European University Association, AACSB, International