snowboarding in 1939
The debate of who actually invented snowboarding has been a long and hard argument. ASO thinks this video settles the argument. Here is a video of Gunnar Burgson, and the other co-inventors of the snowboard ( Harvey Burgeson and Vern Wicklund ) shredding it up in the 1940's! They hold a US patent dated 1939.
http://youtu.be/4F3ek-nxp48