A History Of July 4 Tornadoes

July 4 is a day that we celebrate by lighting off fireworks, but nature has been known to occasionally provide its own fireworks with tornadoes and other forms of severe weather here.  I was curious to find out just how common Independence Day tornadoes have been over the years.  Although I browsed tornado records back to the 1800's, I could not find any July 4 tornadoes before 1957.  This seems rather improbable and is likely due to poor documentation in earlier years, but I can only post what I know.  I found a total of 7 tornadoes and they are listed and mapped below.  In one instance there was a discrepancy with location which I have noted.