Athens–Piraeus Electric Railways 1869 as a steam train connecting Athens and its port, Piraeus, and was operated by Athens & Piraeus Railway Co ( or ). The project was considered important, so Queen Olga and the Prime Minister Thrasyvoulos Zaimis attended the inauguration ceremony. There were 8 trains in each direction daily and 9 trains in each direction on Sundays. In 1874 the Athens & Piraeus Railway Company was bought by the Bank of Industrial Credit (). Under the new ownership the railway procured additional rolling stock. Soon the line was extended to Omonoia Square with an underground section constructed with the cut-and-cover
Piraeus derby Piraeus derby The Piraeus derby, is an association football rivalry between Ethnikos Piraeus and Olympiacos, the 2 teams representing the city of Piraeus. Once a major derby, since Olympiakos' dominance the derby has lost importance over the years, however the rivalry still exists as the poaching of players and the ownership of the stadium still remain a point of contention. Although the importance of the derby has declined in football, the rivalry is still very much alive in other sports, especially water polo. Since the two clubs were established in the mid-1920s, Ethnikos' traditional local rival has been Olympiacos CFP,