How Long Were Wars in Ancient Greece?

Warfare played a significant role in ancient Greece, with numerous conflicts shaping the course of history. From the legendary Trojan War to the Peloponnesian War, battles were fought on land and at sea, often lasting for extended periods of time. In this article, we will explore how long wars in ancient Greece typically lasted.

The Trojan War

The Trojan War is one of the most famous conflicts in Greek mythology and literature. It was fought between the Greeks and Trojans, as described in Homer’s epic poem, the Iliad. According to legend, the war lasted for ten years.

The Persian Wars

The Persian Wars were a series of conflicts between the Greek city-states and the Persian Empire in the 5th century BCE. These wars were fought in multiple stages over several decades.

The First Persian Invasion (492-490 BCE)

The first Persian invasion of Greece took place in 492 BCE when King Darius I sent a fleet to punish Athens and Eretria for supporting rebellion in Ionia. This initial invasion was unsuccessful.

The Second Persian Invasion (480-479 BCE)

The second Persian invasion occurred under King Xerxes I. The conflict began with Xerxes’ massive army crossing into Greece through a land bridge over the Hellespont and culminated in battles such as Thermopylae and Plataea. This phase of the war lasted for about one year.

The Peloponnesian War

One of the most significant wars in ancient Greece was the Peloponnesian War (431-404 BCE). This conflict was fought between Athens and its allies against Sparta and its allies, resulting from tensions that had been brewing for decades.

The Peloponnesian War lasted for a staggering twenty-seven years, making it one of the longest conflicts in ancient Greece. It was marked by a series of battles, sieges, and political maneuvering.

The Wars of Alexander the Great

Alexander the Great, the famous Macedonian king, led his armies on numerous conquests that shaped the ancient world. His campaigns extended from Greece to Egypt, Persia, and India.

While Alexander’s reign saw several battles and conflicts, his major military campaigns lasted for approximately thirteen years. These include the battles of Granicus (334 BCE), Issus (333 BCE), and Gaugamela (331 BCE).


Wars in ancient Greece varied in duration depending on the conflict. The Trojan War is said to have lasted for ten years, while the Peloponnesian War stretched on for an astonishing twenty-seven years. Other wars had varying lengths, with some lasting only a few months or years.

A comprehensive understanding of these historical conflicts helps us appreciate their impact on ancient Greek society and their lasting influence on Western civilization.