Reference

1. How did the bald eagle become America's national bird? History website. February 25, 2015.
2. Hot dog history. Info please website.
3. 25 4th of July fun facts that will make you want to celebrate...I can't believe #22 actually happened. List 25 website. July 4, 2015.
4. 4th of July trivia facts 2015: 15 fun things to know about Independece Day. International Business Times website. July 3, 2015.
5. United States nicknamed Uncle Sam. History website.
6. Fourth of July injuries. Medicalbag website. July 2, 2015.
7. How many people get injured by fireworks on the 4th of July. Newsweek website. July 3, 2015.
8. Two of America's greatest national symbols were made overseas: The Liberty Bell was cast in England and the Statue of Liberty was crafted in France. Mentalfloss website. February 4, 2008.
9. Did you know more pets go missing on the 4th of July than any other day of the year? Wilmington Patch website. July 3, 2015.
10. The most dangerous day of the year. Disasterdoc website. July 4, 2013.
11. Four fast facts for the Fourth of July. U.S. News website. July 2, 2015.
12. 15 mindblowing facts about the 4th of July. Jewish Journal website. July 1, 2014.

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