Editing World's Columbian Exposition (section)

=== Concepts ===
[[File:Mammoth and Giant Octopus.jpg|thumb|Mammoth and Giant Octopus, display at the Columbian World's Fair, 1893]]

* [[Frederick Jackson Turner]] lectured on his [[Frontier thesis]].<ref>{{cite web|title=Frederick Jackson Turner|url=https://www.pbs.org/weta/thewest/people/s_z/turner.htm|work=Pbs.com|publisher=PBS|access-date=27 March 2014|archive-url=https://web.archive.org/web/20140217010045/http://www.pbs.org/weta/thewest/people/s_z/turner.htm|archive-date=2014-02-17|url-status=live}}</ref>
* The [[Pledge of Allegiance (United States)|Pledge of Allegiance]] was first performed at the exposition by a mass of school children lined up in military fashion.<ref>{{cite book |last=Giddings |first=Paula |url=https://archive.org/details/idaswordamonglio0000gidd/page/270/mode/2up |title=Ida: A Sword Among Lions |date=2008 |publisher=HarperCollins |isbn=978-0-06-051921-6 |page=270 |url-access=registration}}</ref>
* Contribution to Chicago's nickname, the "[[Windy City (nickname)|Windy City]]".  Some argue that [[Charles Anderson Dana]] of the ''[[New York Sun (historical)|New York Sun]]'' coined the term related to the hype of the city's promoters. Other evidence, however, suggests the term was used as early as 1881 in relation to either Chicago's "windbag" politicians or to its weather.<ref name=devil />