Turner Frederick Jackson

Tur·ner

 (tûr′nər), Frederick Jackson 1861-1932.
American historian who emphasized the importance of the frontier in American history.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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