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Philip III (1 May 1245 – 5 October 1285), called the Bold (French: le Hardi), was King of France from 1270 until his death in 1285. His father, Louis IX, died in Tunis during the Eighth Crusade. Philip, who was accompanying him, returned to France and was anointed king at Reims in 1271.
Philip inherited numerous territorial lands during his reign, the most notable being the County of Toulouse, which was annexed to the royal domain in 1271. With the Treaty of Orléans, he expanded French influence into the Kingdom of Navarre and following the death of his brother Peter during the Sicilian Vespers, the County of Alençon was returned to the crown lands.
Following the Sicilian Vespers, Philip led the Aragonese Crusade in support of his uncle. Initially successful, Philip, his army racked with sickness, was forced to retreat and died from dysentery in Perpignan in 1285 at the age of 40. He was succeeded by his son Philip IV.