- Order of Avis.
- Military order with its origins in a group of Calatrava knights to whom King Afonso Henriques (c.1109-1185) of Portugal gave estates in Évora in 1175-1176.
- In 1211, they settle in Avis on estates granted by King Afonso II of Portugal. From then on they seem to have gained their own autonomy as the Order of Avis.
- King Pedro of Portugal appoints his illegitimate son João as master of the order in 1364. This is the future João I of Portugal.
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