Book excerpt: County Louth and the Irish Revolution, 1912–1923 explores the local activism of the IRA and how revolution was experienced by rural and urban labourers, RIC men, republican women, cultural activists, and Big House families. Events were increasingly shaped for all these groups by the developing reality of partition, transforming a marginal county into a borderland and creating a zone of new violence and banditry. The expert contributors to the first-ever local history of the county during this period bring to light a wealth of fascinating stories that will appeal to the general public and historians alike. Critically, these stories reveal new findings about the early military skirmishes in County Louth by republican figures such as Seán MacEntee and Frank Aiken; the controversial sectarian massacre at Altnaveigh; and how the Civil War made a fiery battlefield of Dundalk and Drogheda. County Louth and the Irish Revolution, 1912–1923 documents the complexity of the local experience as the national revolution merged with long-established antagonisms and traditions, the effects of which have shaped the county ever since.