Battle of L'Aquila

War of L'Aquila
Date 7 May 1423-5 June 1424 Location near L'Aquila, present-day Italy Result Braccio da Montone's defeat.
Belligerents
Braccio da Montone	L'Aquila League of Duchy of Milan, Kingdom of Naples, Papal States
Commanders and leaders
Braccio da Montone  †	Muzio Attendolo  †, Francesco Sforza, Jacopo Caldora
Strength
6,000 infantry 3,200 cavalry	10,000 infantry (5,000 Milanese, 3,000 Papal troops, 2,000 Neapolitans) 3,360 cavalry

The War of L'Aquila (Italian: Guerra dell'Aquila) was a conflict in 15th-century Italy. It started in 1423 as a personal conflict against the condottiero Braccio da Montone and the city of L'Aquila in Abruzzo, but later turned into a national conflict when the forces of the Duchy of Milan, the Republic of Florence, the Papal States and the Kingdom of Naples were also involved. Braccio da Montone was killed in the final battle near L'Aquila.

In 1423 Braccio da Montone was named by queen Joanna II of Naples as connestable of the Abruzzi for ten years. The condottiero, however, was fighting in Umbria, and named Ruggero d'Antignola as governor with the task to put these lands under his personal rule against the royal power of the Kingdom of Naples.

After an initial period of good relationships, in late 1422 the citizens of L'Aquila, fearing to lose their secular autonomy, rebelled under the leadership of Antonuccio Camponeschi and expelled Ruggero d'Antignola. The Camponeschi family was related with Giacomo Marzano, grand admiral of Naples, and the condottiero Muzio Attendolo, lord of Benevento and Manfredonia, as well as with Pope Martin V, who supported Louis III of Anjou's claims against Joanna. When the city declared itself under Louis' suzerainty, Braccio da Montone mobilized its forces to regain it.

In late 1423, Braccio da Montone's strong army started destroying the 99 historical castles (in Italian, Castelli Fondatori, meaning "founding castles") which surrounded the city. In May 1424, the population took refuge in Aquila itself and prepared for the siege. After a failed storming attempy, Braccio da Montone took position in the Collemaggio hill, waiting the city to surrender by famine.

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