25509
History On September 28 , ( October 10 , new style ) 1806 , Aleksandr I , Emperor of Russia made a notation on the design submitted to him of a new flag for the Russian-American Company ; " So be it " , and added his cypher , thereby approving the first flag in Russia 's history to be used by an Imperial chartered company .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None