In its statement, Princeton said Wang was arrested while conducting research on the 1794-1925 Qajar dynasty for his doctorate in late 19th and early 20th century Eurasian history.
Hossein Fereydoun was taken into custody and is eligible for bail, judiciary spokesman Gholamhossein Mohseni-Ejei said, according to state-run Tasnim news agency.
"The Iranian regime continues to detain USA citizens and other foreigners on fabricated national-security related changes", a State Department official said in an emailed statement on Sunday.
Wang is the first American to be arrested in Iran who's not a dual U.S.
Porn ID checks to begin in April 2018
According to a BBC report , the British Board of Film Classification could take on the role of determining which sites require age verification.
Judiciary's Mizan said Mr. Wang had digitally archived 4,500 pages of Iranian documents and had done "super confidential research for the U.S. Department of State, Harvard Kennedy School and British Institute of Persian Studies".
This person, who was directly guided by the United States, was entered the country "under special conditions", he said, adding that he was arrested due to the vigilance of Iranian intelligence ministry forces. At least three other Americans are thought to be imprisoned in Iran although the number could be higher.
Princeton's vice president of communications, Daniel Day, said the university was "very distressed by the charges brought against him". Princeton is working with his family and the US government to secure Wang's release, it said. The U.S. does not maintain formal diplomatic relations with Tehran and warns its citizens traveling there that they risk arrest or being barred from leaving.
A judiciary spokesman announced the United States dual national will spend a decade behind bars after the sentence was handed down during the latest case of dual nationals held on security charges in the country.
Since Iran and the West reached a nuclear deal two years ago, restrictions on business dealings between the two countries have eased.
Open Championship player quotes from Royal Birkdale
Greg Norman thinks Jon Rahm could be the man to continue the sequence of first-time major winners at The Open next weekend. Rahm hits a huge golf ball and has been stunningly consistent at 22 years old. "It had been long week two years ago at St.
Iran sentences a U.S. citizen to ten years in prison.
Washington has repeatedly called for their release and also for Tehran's cooperation in the case of Robert Levinson, a former Federal Bureau of Investigation agent who disappeared in Iran in 2007.
The new restrictions impose mandatory sanctions on people involved with Iran's ballistic missile programme and those that transact with them.
The brother of Iranian President Hassan Rouhani has been detained over unspecified "financial issues", the nation's judiciary said, a development that reflects increasing tensions between the president and his hardline political opponents.
The US citizen whose sentence was also announced faces 10 years in prison.
Tammy Beaumont backs England team-mates to shine in World Cup semi-final
The all-rounder has excelled for England with both bat and ball during the tournament - even inventing a new shot along the way. Whoever wins this contest will play the victor of the other semi-final, reigning champions Australia or India.