1.you know somebody had to post this one sooner or later
http://youtu.be/nOzR5Jnd6bU
http://youtu.be/DthfPnBudKI
2.Rules of Fight Club
http://youtu.be/vJMC_S-DB2I
3. since everyone else posted Braveheart, here's a short battle scene too
http://youtu.be/xLaVpFhGW4w