How were hot dogs discovered?

Answer 1

It's said that a dog's penis fell from space, cooking while it entered the atmosphere. One lucky man found it, decided to eat it, and begin selling ones like it.

Answer 2

They were not discovered, they are a type of sausage (a thing that people make).

Answer 3

the babylonians made hot dog like sausages in the 1500bc the greeks called them orya. they were made of pig intestines.