Domain of Teresa and Henry
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A polity in Galicia that seceded during a civil war in the Kingdom of Leon.
Establishment
January 1110: Theresa, Countess of Portugal, and her husband Henry of Burgundy, rebelled against her half-sister Queen Urraca of León.
Chronology
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Was the revolt of Galicia led by Theresa, countess of Portugal, against her sister, Queen Urraca of León and Castile.
January 1112: The Almoravids under Sir ibn Abi Bakr occupy Lisbon and Santarém and also take Zaragoza.
January 1122: Attacked by the forces of her half-sister, Queen Urraca I of León, Teresa's forces fell back from the left bank of the Miño River, defeated and scattered, until Teresa herself took refuge in the castle of Lanhoso, where she suffered the siege by Urraca (1121). Although in a position of inferiority, Teresa managed to negotiate the Lanhoso treaty, by which she managed to remain countess but had to submit to Leon.
Disestablishment
January 1122: Attacked by the forces of her half-sister, Queen Urraca I of León, Teresa's forces fell back from the left bank of the Miño River, defeated and scattered, until Teresa herself took refuge in the castle of Lanhoso, where she suffered the siege by Urraca (1121). Although in a position of inferiority, Teresa managed to negotiate the Lanhoso treaty, by which she managed to remain countess but had to submit to Leon.
