I don't know about first, but one of the early names for bikes is "velocipede" which pretty much means "fast legs".
a bike
john walker
The Kawasaki KLX110 was first released in 2003. This is known as a micro-moto and is compatible for smaller dirt bike riders such as kids although adults can ride this bike also.
no not for a first bike
No
who was the first dirt bike rider
Both.
bike
they used the first dirt bike in ww1
DJL made the first dirt bike.
motor bike
Depending on your age I would start on a cr125 Honda. Honda is known for having very high quality bikes and can take a beating.