Above: The Siege of Limerick The Irish now took the Shannon for their line of defence and concentrated their forces at Limerick and Athlone. William marched towards Limerick. Douglas attacked Athlone with 12,000 men; but after a siege of seven days he was repulsed, and joined the. king at Limerick. On the 9th of August, 1690, William encamped at Singland, just outside the walls of the old city, with an effective army of about 26,000; the ... Read More