No one per say invented dancing. Dancing has been around since the beginning of man kind, through many different styles and forms. Most were very cultural and based off the time era of the people.
Now specific dancing techniques or styles have been invented by certain people, but not dancing in general. It's almost like talking, walking, and eating. People can teach you to do it, but it's a natural thing for humans to do.
Fred Waring
Nintendo
James Naismith
Alexander Cartwright invented baseball.
James Mondt and Roderick McMahon
To lessen the amount of labor, and make work easier in the world. :)
because every few years Nintendo makes a new Handheld.
Because it was the first mill inventend, it helped production.
Someone in China, more than 1000 years ago. We do not know their name.
around 200 years ago, there has been an established league in the UK for over 120 years
It was designed to be an indoor sport less rough than basketball for older members of the YMCA, while still requiring a bit of athletic effort.
Bailar. (To dance) Balio.(I dance OR I am dancing) Bailas.(You dance. OR You are dancing) Baila.(He is, she is, you are, it is dancing.) Bailamos(We dance OR we are dancing) Baliais(the 2nd "a" has a accent going up) Bailan.(They are dancing(Fem./Mascu.) OR You all are dancing) ~ Spanish dancing is the Flamenco