Battle of Knocknaclashy Boyle had inspired a mutiny among the English Royalist garrison in Cork, causing them to defect to the Parliamentarians. This had outflanked the defences of Irish Confederates and English Royalists, causing them to retreat behind the river Shannon into Connacht, where they held the fortified cities of Limerick and Galway. Henry Ireton went on to besiege Limerick. The only organised Irish forces remaining in south Munster were those of Donagh MacCarthy, Viscount Muskerry, who held out in the mountainous area of west Cork and county Kerry – which was his clan’s native territory. In July 1651, Muskerry set out from
History of Cork on the Western Front. In the period 1916–1923, Cork was embroiled in a conflict between radical Irish nationalists and the British state in Ireland. The turmoil of this period ultimately led to substantial Irish independence for 26 of the 32 Irish counties in 1922, but also to a bitter civil war between Irish nationalist factions in 1922–23. In 1916, during the Easter Rising as many as 1000 Irish Volunteers mobilised in Cork for an armed rebellion against British rule but they dispersed without fighting. However, during the subsequent Irish War of Independence 1919–1921, Cork was the scene of much violence.