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The most widely used epoch is a conventional birthdate of Jesus ( which was established by Dionysius Exiguus in the sixth century ) .
 Jesus, Dionysius Exiguus
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jesus, Dionysius Exiguus