known as Porphyrogenitus. 905–59 ad, Byzantine emperor (913–59) and scholar: his writings are an important source for Byzantine history
- Constantine xi
noun 1. 1404–53, last Byzantine emperor (1448–53): killed when Constantinople was captured by the Turks
- Constantine XI Palaeologus
[pey-lee-ol-uh-guh s, pal-ee-] /ˌpeɪ liˈɒl ə gəs, ˌpæl i-/ noun 1. (Dragases) 1404–53, last Byzantine emperor 1449–53.
[kon-stan-tn-oh-pol-i-tn, -stan-] /kɒnˈstæn tn oʊˈpɒl ɪ tn, -ˌstæn-/ noun 1. See under (def 2). noun 1. a formal statement of the chief tenets of Christian belief, adopted by the first Nicene Council. 2. a later creed of closely similar form (Niceno-Constantinopolitan Creed or Constantinopolitan Creed) referred, perhaps erroneously, to the Council of Constantinople (a.d. 381), […]
[kon-stan-tn-oh-puh l] /ˌkɒn stæn tnˈoʊ pəl/ noun 1. former name of . noun 1. a former Turkish empire that was founded about 1300 by Osman and reached its greatest territorial extent under Suleiman in the 16th century; collapsed after World War I. Capital: Constantinople. noun 1. the Eastern Roman Empire after the fall of the […]