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Formerly a village called Morsha ( ) , it was granted town status in 1779 by Catherine the Great because of its growth in relation to the fact that it was a major bread trading center on the Tsna River .
 Catherine the Great
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Catherine the Great