Constantine VII
noun
known as Porphyrogenitus . 905–59 ad, Byzantine emperor (913–59) and scholar: his writings are an important source for Byzantine history
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How To Use Roman NumeralsRoman numerals are a collection of symbols that make up the number system that was used by the ancient Romans. Today, Roman numerals are more commonly used in titles, to number parts of works, in music theory, and on clock faces. Where do you see Roman numerals most often? The Symbols The Roman numeral system uses only seven symbols: I, V, X, L, C, D, …
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