Tufts University
Tufts University: Peloponnesian War & Athenian Life
An outline history with details on the various events of the war between Athens and Sparta. In addition, there is a section which examines the effects of the war on life in Athens.
Other
Tulane University: Athenian Empire: 480 404 Bc: Timeline for Peloponnesian War
A great timeline which gives an overview of the major events of the war. The timeline is broken down into three sections: The Archidamian War, the Peace of Nicias and the Decelean War.