Causes and major events of Peloponnesian War

Let’s remember the earlier events. In the years when there was Persian war, conflict between Athens and Sparta seemed not so strong, Themistocles, whom the ancient historians considered as a talented politician, and person who could foresee events begins to build walls around the city. During the struggle between Greeks and Persians (457 - 446 BC.) two most powerful states in Greece had a desire to dominate and as the result they had military clashes. Peloponnesian War was the result of increasing controversy.