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Historic Sites of the Norman Invasion of Ireland
(1169-1175)
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5
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About the Norman Invasion of Ireland
The Norman Invasion of Ireland began in 1169 when Anglo-Norman and Welsh-Norman forces helped the deposed king of Leinster recover his position and then established territories of their own. Henry II's intervention and the Treaty of Windsor in 1175 asserted English royal overlordship, beginning a lasting expansion of English influence without bringing all of Ireland under effective control.
Geography of the Norman Invasion of Ireland
The invasion began at Bannow Bay in present-day County Wexford and initially concentrated on southeastern Ireland. Wexford, Waterford, and Dublin became important targets because their ports connected Ireland with Wales and England. Campaigns spread through Leinster and into neighboring regions as invaders established strongholds and contested river crossings. Ireland's patchwork of kingdoms, inland terrain, and coastal access shaped the uneven extension of Anglo-Norman authority.
Map of Historic Sites of the Norman Invasion of Ireland






