The Army of the Two Sicilies was the land forces of the Kingdom of the Two Sicilies, whose armed forces also included a navy. It was in existence from 1734 to 1861. It was also known as the Royal Army of His Majesty the King of the Kingdom of the Two Sicilies (Reale esercito di Sua Maestà il Re del Regno delle Due Sicilie), the Bourbon Army (Esercito Borbonico) or the Neapolitan Army (Esercito Napoletano). Later many ex soldiers of this army joined Italian Royal Army.
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Army of the Two Sicilies Wikipedia(Text) CC BY-SA