The joke here is pretty subtle. It's from Treehouse of Horror XVII in season eighteen. It's no surprise that Springfield was fooled by Orson Welles broadcast of The War of the Worlds. That's not all that hilarious, but the humour comes when you realise that judging from how this headline is written, Springfield apparently doesn't even consider themselves part of America. Maybe that makes sense, since there's still uncertainty as to what state the city is actually in.
Primarily covering the sport of MMA from Ontario, Canada, Jay Anderson has been writing for various publications covering sports, technology, and pop culture since 2001. Jay holds an Honours Bachelor of Arts degree in English from the University of Guelph, and a Certificate in Leadership Skills from Humber College.