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Some events which shaped the city 's history have also been memorialized by art works , including the Great Northern Migration ( Saar ) and the centennial of statehood for Illinois .
 Saar, Illinois
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Saar, Illinois