Siege of Eucratideia
168 BCE.
Shown on the map at 37.169°, 69.408°.
The siege of Eucratideia was a five-month-long siege of the city that occurred in around 169 BC. Demetrius II, a descendant of Euthydemus, besieged the usurper Eucratides although being repelled various times.
Text from the Wikipedia article Siege of Eucratideia, licensed CC BY-SA 4.0.