There isn't a clear answer on when.
Yes. Bicycle Motocross BMX
Bmx is a new sport for the 2008 Olympics
It was a sport in the first Olympic.
BMX wasn't invented in the olympics, it was added to the (summer) olympics list of sports because it had become hugely popular, and fulfilled the requirements for an olympic sport(national competition organizations, an international organization ASO)
it became an Olympic sport in 1936
because the public voted it to be a olympic sport
It became an Olympic Sport because it is an awesome sport!!! LOL!
Yes. Several different versions even. Track, road, MTB, BMX.
Mens hockey became an olympic sport in 1920
1982
Well, it's popular, it fulfils the requirements with national and international organizations and competitions.
It is not a normal sport it is like a challangeBecause they wanted a new sport.