The 4th of July was not celebrated here for more than 80 years after John Pemberton's surrender of the 30,000 man garrison.  
The winning general tried four separate experiments to try and reach it.  Grierson's Raid was launched before this battle in an attempt to confuse the Rebels.  Battles that immediately preceded include Port Gibson, Raymond, Champion Hill, Big Black River Bridge, and Jackson.  The 4th of July was not celebrated here for more than 80 years after John Pemberton's surrender of the 30,000 man garrison.  FTP, name this city captured by Grant in July of 1863 whose surrender split the confederacy in two.
The winning general tried four separate experiments to try and reach it.  
Vicksburg, Mississippi