|1.||Saint, called the Great. died 867 |
|2.||1796--1855, tsar of Russia (1825--55). He gained notoriety for his autocracy and his emphasis on military discipline and bureaucracy|
nicholas i, saint
pope from 858 to 867, master theorist of papal power, considered to have been the most forceful of the early medieval pontiffs, whose pontificate was the most important of the Carolingian period and prepared the way for the 11th-century reform popes.
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