[thackney]

http://mentalfloss.com/article/30214/new-math-time-indiana-tried-change-pi-32

[Paladin2]

Interesting subject now that the web is around.

My dad told me the apparently simplified story ~ 40 years ago. I'd guess that there could have been multi-state attempts to do this in states other than (racist) Indiana where there is extant documentation.