Colchester, [5]
College of Cardinals, [153]
Colonna, the, [166]
Comitatus, [82]
Common land, [107]
Constantine, the Great, [25]; donation of, [65], [152]
Constantinople, [25] et passim; taken by Crusaders, [167]; taken by Turks, [221].
Cordova, Moorish capital, [177]; taken by Ferdinand III., [177]