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Broadcasting and Literary Milestone, Perhaps?
It's a broadcasting milestone and…a literary event of some notoriety, I think? The 500thepisode of The Simpsons airs the weekend of February 19, 2012
; every Simpson's title sequence chalkboard gag is posted for us to read on the web! I am ( - descriptor omitted for reasons of psychological import - ) to say that, yes, I read every one