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Tudor conquest of Ireland

1534–1603 English campaign in Ireland

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The Tudor policies in Ireland sparked the Desmond Rebellions (1569–1573, 1579–1583) and the Nine Years' War (1593–1603). Despite Spain sending an armada to support the Irish Catholics during the Anglo-Spanish War (1585–1604), by 1603 the entire country was under English rule. The Flight of the Earls in 1607 largely completed the destruction of the Gaelic aristocracy and left the way open for the Plantation of Ulster, which established a large British Protestant population in the north. Several people who helped establish the plantations of Ireland also played a part later in the early colonisation of North America, particularly a group known as the West Country Men.

The conquest technically extended into the Stuart period, as the Treaty of Mellifont, which ended the Nine Years' War, was signed mere days after the death of Elizabeth I.

Situation before the Tudors

Ireland in 1500 was shaped by the Norman conquest, initiated by Cambro-Norman barons in the 12th century. Many of the native Gaelic Irish had been expelled from various parts of the country (mainly the east and southeast) and replaced with English peasants and labourers. A large area on the east coast, extending from the Wicklow Mountains in the south to Dundalk in the north (covering parts of modern counties of Dublin, Louth, Meath, Westmeath, Kildare, Offaly, and Laois), became known as the Pale. Protected along much of its length by a ditch and rampart, the Pale was a defended area in which English language and culture predominated and where English law was enforced by a government in Dublin.

The Gaelic Irish were largely outside English jurisdiction, maintaining their own language, social system, customs, and laws. The English referred to them as "His Majesty's Irish enemies". In legal terms, they had never been admitted as subjects of the Crown. Ireland was not formally a realm, but rather a lordship held as a fief of the Holy See; the title 'Lord of Ireland' was assumed by the English monarch upon coronation. The rise of Gaelic influence resulted in the passing in 1366 of the Statutes of Kilkenny, which outlawed many social practices that had been developing apace (e.g. intermarriage, use of the Irish language and Irish dress). In the 15th century, the Dublin government remained weak, owing principally to the Wars of the Roses.

Beyond the Pale, the authority of the Dublin government was tenuous. The Hiberno-Norman lords had been able to carve out fiefdoms for themselves but not to settle them with English tenants. As a result, in the 14th and 15th centuries, in the wake of Irish rebellion, Scottish invasion, the Black Death, and a lack of interest on the part of the London government, the territories controlled by those lords had become autonomous. The Butlers, FitzGeralds, and Burkes raised their own armed forces, enforced their own law, and adopted Gaelic language and culture.

Beyond those territories large areas of land previously held by authority of the English crown were taken by the resurgent Gaelic Irish, particularly in the north and midlands. Among the most important septs were the O'Neills (Uí Néill) in central Ulster (Tír Eóghain), flanked to their west by the O'Donnells (Uí Dhomnaill); the O'Byrnes (Uí Bhroin) and O'Tooles (Uí Thuathail) in County Wicklow; the Kavanaghs (Uí Chaomhánach) in County Wexford; the MacCarthys ((Uí) Mhic Chárthaigh) and O'Sullivans (Uí Shúilleabháin) in County Cork and County Kerry; and the O'Brien (Uí Bhriain) lordship of Thomond in County Clare.

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