Kane and Undertaker question?

Question

I'm trying to figure out when WWE/F first had them unite together.. If anyone knows the exact date, what RAW date it was on, or really if you know of a youtube clip that shows this, that'd be great..

Answer 1

raw 17/7/1997 when paul bearer told taker he has a step brother and he crapped himself when he came out and kane pummeled him

Answer 2

RAW 97 its was during there "cahoots" storyline where Kane was on both Undertaker's and Vince's side and everyone thought Kane was against his brother but in the end they united forming the BOD