Siege of Duncannon
1645 CE.
Shown on the map at 52.217°, -6.933°.
The siege of Duncannon took place in 1645, during the Irish Confederate Wars. An Irish Catholic Confederate army under Thomas Preston besieged and successfully took the town of Duncannon in County Wexford from an English Parliamentarian garrison. The siege was the first conflict in Ireland in which mortars were utilized.
Text from the Wikipedia article Siege of Duncannon, licensed CC BY-SA 4.0.