Sigma Nu was more or less founded in opposition to hazing and other ill-thought-of practices of Alpha Tau Omega's first chapter at the Virginia Military Institute.
To see more, click here for a thread on the legend of the "Blackfoot/Whitefoot":
http://www.greekchat.com/gcforums/sh...ad.php?t=38908
To be fair, ATO's version doesn't discuss much about the fact that they were the bad guys in all of this, but they were. Take my word for it because I'm completely unbiased.