Nobody, as the wheel predates recorded history.
So they can move heavy items
As for my knowledge the Indian history started 8000 to 2500 B.C.....
when he first started his company && when he first started his family
It paved the way for many inventions useful to mankind and started a revolution in movements .
Writing, history started when people were able to write things down.
the invention and use of the birth control pill in the early sixties, this started the sexual revolution and the rest is history.
It was an invention that changed the history of computers.
The discovery (not invention) of polonium and radium didn't changed the history.
it used to be the quill and history has took from that!
the invention
agriculture
The Wheel
electrisity
The Ancient Romans.
The telephone is a great invention in the history of communciation. The invention of radio allowed information to be rapidly sent between continents.
The steam generator was one of the most important invention in history. This invention turns high steam or water vapor into energy by using a generator.