1st: Known declaration of human rights, proclaimed by Cyrus the Great in 538 B.C.

1,677: Length in miles of the Persian royal road, built in the 5th century B.C. for Persian mail carriers

68 million: Population of Iran today

70: Percentage under the age of 30

15: Age at which Iranians (both genders) are allowed to vote

10,000-15,000: Number of Iranians keeping blogs, many of which criticize the government

Sources: CIA Web site; BBC; Wikipedia