Pi Day (and other odd dates)

Published On: Nov 11 2011 09:22:09 AM EST   Updated On: Mar 13 2015 02:43:33 PM EDT

Pi Day is going to be extra special this year, as 2015 stretches the symbolic March 14 celebration out a little longer to 3.1415. Here are some other intriguing dates that have been the source of fascination and speculation.