State Flag from The Simpsons - Season 14, Episode 294 "Bart vs. Lisa vs. the Third Grade"

The state flag America's most longest running fictional TV family was revealed to the public in 2002.  The inspiration for the flag most likely came from the design of Arizona.  But instead of a copper star in the center, there is a Confederate Battle flag.

We learn about the Simpsons' state flag when Bart and Lisa visit their state's capital.  The subject of the most popular imaginary Springfield State flag is brought up when the one of its citizens requests for a new design since the state is a Northern State.