I don't know wen it was made but I know it was in the 1936 Chicago worlds fair when the ice cream stand ran out of cup so the waffle maker at another stand bended the waffles into a cone shape which...
No one knows for sure who invented the first cone but it became popular at the World Fair. What I have heard is that an ice cream vendor at the Worlds Fair ran out of bowls so he asked the waffle man...