Chacabuco (South American War of Independence).
Fought February 12, 1817, between the Chilian patriots under San Martin, and the Spanish royalists. The Chilians won a complete victory.
Chæronea (Amphictyonic War).
Fought August B.C. 338 between the Macedonians under Philip, and the Athenians and Thebans under Chares and Theagenes respectively. Philip had 30,000 foot and 2,000 horse, the latter led by Alexander, then a lad of eighteen; the allies were slightly fewer in number. Philip reinforced his right wing, which was opposed by the Athenians, and sent his heavy cavalry against the Thebans, on the allied right. Their charge broke the Theban ranks, and they then attacked the Athenians in flank and rear. A hopeless rout ensued, the Theban "Sacred Band" dying where they stood. The Athenians lost 6,000 killed and 2,000 prisoners. The Thebans were almost annihilated.
Chæronea (First Mithridatic War).
Fought B.C. 86, between the Romans under Sulla, 30,000 strong, and the troops of Pontus, 90,000 in number, under Archelaus. The Romans were completely victorious.
Chalcedon (Third Mithridatic War).
Fought B.C. 74, between the Roman Fleet, under Rutilius Nudo, and that of Pontus. The Romans sallied out of the harbour, but were driven back, and the Pontic fleet then broke the chain protecting the entrance and destroyed the whole of the Roman ships, 70 in number.
Chalgrove Field (Civil War).
A cavalry skirmish fought June 18, 1643, between the Royalists under Prince Rupert, and the Parliamentarians under Hampden, and notable only for the fact that Hampden was killed in the affair.