The Persians
The Persians invented Bricks, Ice cream, the First Taxation System, Chess, Algebra, Windmills and Backgammon.
Persians Invented kabab and its spelled Kabab.
So far it has not been found out, but we know for sure that it was the Indians and the the Persians.
Explosives were not invented for another thousand years.
The Persians invented alphabetic writing, as is ours. Cuneiform is symbol writing.
The Persians around the time of king Xerxes invented the Persian mail system, similar to the American pony express.
Persians.
The leader of the Persians was Xerxes I
Most Persians today are Muslim, but before the advent of Islam in Persia, most Persians were Zoroastrians.
He was Xerxes
It did when the Persians conquered Babylon.