Ambate (Conquest of Peru).
Fought 1532, between the two Peruvian chiefs Atahualpa and Huascar, in which the latter suffered a complete defeat.
Ambracian Gulf.
Fought B.C. 435, when a Corinthian fleet of 75 ships attempted the relief of Epidamnus, which was besieged by the Corcyreans, and was defeated with heavy loss by 80 Corcyrean triremes.
Ambur.
Fought 1749, between the army of Anwar-ud-din, Nawab of Arcot, 20,000 strong, and the combined forces of Muzuffer Jung and Chunda Sahib, aided by a French contingent under M. d'Auteil. Anwar-ud-din was defeated and slain, and Muzuffer Jung assumed the title of Subahdar of the Deccan, Chunda Sahib that of Nawab of Arcot.
Ambur.
This strong fortress was held by a garrison of 500 Sepoys, under Captain Calvert, and a detachment of Mysore troops under Mukhlis Khan. This man had assumed the status of an independent chief, but being suspected of intriguing with Hyder Ali, was arrested by Calvert. Hyder laid siege to the place November 10, 1767; but Calvert, now secure from treachery within, held out with his small garrison till December 6, when the approach of a relieving force obliged Hyder to raise the siege.
Amida (Persian Wars).
This fortress, defended by a Roman garrison, was besieged, and after a vigorous defence taken by storm by the Persians under Sapor II in 359. The garrison and inhabitants were put to the sword. The siege, which lasted 73 days, cost the Persians 30,000 men, and so weakened Sapor that he was compelled to relinquish his designs upon the Eastern Empire.