An interesting Map of the Day comes via Huffington Post – enter Firearm deaths in the USA – Number of firearm-related deaths per 100,000 people, reported in 2013
From the article… Here’s the shocking claim: Since President John F. Kennedy was shot down in late 1963, more Americans have been killed by gunfire in this country than died in all U.S. wars.
See also Politifact for information on the data used