Thucydides' History of the Peloponnesian War, Book 1

Thucydides (c. 460-395 BCE) was a Greek historian dubbed the father of "scientific history" because of his strict standards of evidence-gathering and analysis of cause and effect without reference to intervention by the gods. His History of the Peloponnesian War recounts the 5th century BC war between Sparta and Athens to the year 411 BC.