The Sicilian War
The Sicilian war or the Sicilian Expedition (415-413 BC) was actually the fatal bash for the peace and led to the start of the second Peloponnesian War. In Sicily, the greatest battle of the entire Peloponnesian War took place and determined in advance the end of this conflict after 10 years. The Athenian historian Thucydides lived and wrote down the facts of the entire Peloponnesian War while his writings about the Sicilian War were of his most dramatic. The reason for the campaign was Segesta, a town of the north-western part of Sicily which was in conflict with the neighbouring