Conflicts & Resolutions · Battle

Battle of São Mamede

1128 · 12th century

The Battle of São Mamede was fought on 24 June 1128 near Guimarães between Afonso Henriques and the forces of his mother, Countess Teresa, and her Galician ally Fernão Peres de Trava. Afonso's victory gave him control of the County of Portugal, and it is traditionally seen as the founding event of Portuguese independence.

Battle of São Mamede
Image: Acácio Lino (1878–1956) · Public domain · Wikimedia Commons

Mentioned in 1 profile

Mentioned in 1 state history

See also

Cite this entry
APA
The Epoch Institute. (2026). Battle of São Mamede. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/battle-of-sao-mamede
MLA
“Battle of São Mamede.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/battle-of-sao-mamede. Accessed .
Chicago
The Epoch Institute. “Battle of São Mamede.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/battle-of-sao-mamede.
Harvard
The Epoch Institute (2026) ‘Battle of São Mamede’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/battle-of-sao-mamede (Accessed: ).

Last reviewed October 2026Random entry ↻