The History of the Peloponnesian War by Thucydides

The History of the Peloponnesian War’ is a historical account of the Peloponnesian War (431–404 BC), which was fought between Sparta and Athens. It was written by Thucydides, an Athenian historian who also happened to serve as an Athenian general during the war. His account of the conflict is widely considered to be a classic and regarded as one of the earliest scholarly works of history. The History is divided into eight books.