Under the leadership of Roger de Flor, the Catalans conquered Athens in ca 1311, thus establishing the Catalan rule. On the picture, the coat of arms of Roger de Flor.
Doanidou, S. I., I Fragkokratia stin poli ton Athinon (1205-1456), "Estia" Library, Athens 1981, p. 83.
© Sofia I. Doanidou