Iran was not discovered.
It has a history of 7500 years. Most people don't know that
"Iran" and "Persia" are the same
What year was Iraq discovered?
No one "discovered" Iraq. People have been living thousands of
years. Iraq was once called Persia and Alexander the Great was its
king.
When was Iran discovered?
It was on of the three first empires in the world, it was
originally named Persia, later changed to Iran
Who was the battle of marathon agenst?
It was Athens against Persia. Athens helped Miletus (another
city-state) in a battle against Persia. Athenians didn't actually
fight, they just helped Miletus by giving them ships and weapons.
Miletus lost against Persia and when Persia discovered that Athens
had helped Miletus they wanted the Athenians killed. Thus the
battle of Marathon began.
No one discovered ice cream. To discover something it has to all
ready exist. In 400 BC in Persia they had an iced desert and in the
10th century Arab countries served a desert made of ice and milk.
ancient Rome had a ice desert with fruit.