11) What language did the Persians speak?
12) Who was responsible for introducing Zoroastrianism in Persia?
13) What was the name of the currency used in Persia during its rule?
14) What is the name of ancient Persian religion that was based on teachings of Prophet Zoroaster?
15) Who was responsible for conquering Babylon and bringing it under Persian rule?
16) What was the largest city in the Persian Empire?
17) What was the capital of the Persian Empire?
18) What were the people of the Persian Empire known as?
19) What language did the Persians originally speak?
20) Which Persian King is often credited with the founding of the Persian Empire?