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For this and similar acts Appleton was promoted to colonel and eventually , on May 18 , 1866 , brevetted as a brigadier general of volunteers ( back dated to March 13 , 1865 ) .
 Appleton
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Appleton