Siege of Sardis
497 BCE.
Shown on the map at 38.488°, 28.040°.
The siege of Sardis was the first major engagement of the Ionian Revolt. An allied Greek army launched an attack on the Persian satrapal capital of Sardis but were ultimately repelled by Persian forces, however most of the city was set alight during the siege.
Text from the Wikipedia article Siege of Sardis (498 BC), licensed CC BY-SA 4.0.