According to the news, the relationship between U.S and Iran had been hostile for

Today marks the 30th anniversary of the Iranian hostage crisis. And President Obama said that he wants to move beyond the past and build a relationship with Iran based on mutual interest and mutual respect. U.S.-Iran relations had been hostile since the day that Islamic students stormed the U.S. embassy in Tehran and held 52 Americans hostage for more than 400 days. Iran’s government holds rally every year to celebrate that event. Today there’s something different though, anti-government protesters are also on the streets. We are also getting some reports of clashes with those police. No word about any injury yet.