time that Pericles was making the maritime supremacy of Athens more secure, he was endeavoring to build up for her a land empire in Central Greece. As her influence in this quarter increased, Sparta became more and more jealous, and strove to counteract it, chiefly by enhancing the power of Thebes.
The contest between the two rivals was long and bitter. It was ended by the well-known Peace of Pericles, or the Thirty Years' Truce (445 B.C.). By the terms of this treaty each of the rival cities was left at the head of the confederation it had formed, but neither was to interfere with the subjects or allies of the other, while those cities of Hellas which were not yet members of either league were to be left free to join either according to choice.
The real meaning of the Truce was that Athens gave up her ambition to establish a land empire, and was henceforth to be content with supremacy on the seas. It meant further that Greece was to remain a house divided against itself; that democratic Athens must share with aristocratic Sparta the hegemony, or leadership, of the Hellenic cities.
Pericles adorns Athens with Public Buildings.—Notwithstanding Pericles had failed to build up for Athens a land dominion, he had nevertheless succeeded in securing for her a place of proud pre-eminence in maritime Hellas. Athens having achieved such a position as she now held, it was the idea of Pericles that the Athenians should so adorn their city that it should be a fitting symbol of the power and glory of their empire. Nor was it difficult for him to persuade his art-loving countrymen to embellish their city with those masterpieces of genius that in their ruins still excite the admiration of the world.
Upon the commanding site of the Acropolis was erected the unrivalled Parthenon. Various other edifices, rich with sculptures, were also erected there and in different parts of Athens, until the whole city took on a surprisingly brilliant and magnificent appearance. The whole world looked up to the Attic city with the same surprised wonder with which a century before it had regarded the
