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# Grammar Question
- URL: https://thedailyeudemon.com/5601/
- Published: 2007-07-10T13:04:47.000Z
- Updated: 2007-07-10T13:04:47.000Z
- Author: Eric Scheske
- Tags: TWE, #wpChunk

I saw [this AP story](http://news.yahoo.com/s/nm/20070710/us%5Fnm/simpsons%5Fcontest%5Fdc?ref=thedailyeudemon.com) about towns called "Springfield" competing to get *The Simpson's* premier opening.

> But in the series' 18-year history it has never been clear which of the 34 **Springfield's** in the United States was the basis for the version in the cartoon, a satirical parody of Middle American lifestyle.

Can anyone tell me why the plural form of a proper noun uses an apostrophe?