felt the threat of the Ottoman Turks, but another Briennist attempt to launch a campaign against them in 1370–1371 came to naught. It was not until 1379–1380 that Catalan rule faced its first serious setback, when the Navarrese Company conquered Thebes and much of Boeotia. In 1386–1388, the ambitious lord of Corinth, Nerio I Acciaioli, captured Athens and claimed the Duchy from the Crown of Aragon. With his capture of Neopatras in 1390, the era of Catalan rule in Greece came to an end. In military history, the battle was part of a major shift in European warfare, which began with the Battle of the Golden Spurs in 1302: it signalled an era where infantry successfully challenged the traditional predominance of knightly heavy cavalry. References Sources Primary accounts Conflicts in 1311 1311 in Europe 14th century in Greece Halmyros Halmyros Catalan Company Medieval Thessaly Medieval Central Greece