On the sidelines of the 70th session of the United Nations General Assembly , U.S. President Barack Obama shook hands with the Iranian foreign minister Javad Zarif , marking the first such event in history .
The encounter was the first of its kind since the Iran hostage crisis .
On the sidelines of the 70th session of the United Nations General Assembly , U.S. President Barack Obama shook hands with the Iran foreign minister Javad Zarif , marking the first such event in history .
The encounter was the first of its kind since the Iran hostage crisis .