By Trend Iranians on Friday held massive outdoor rallies to mark theseizure of the U.S. Embassy to Iran in 1979, showing defianceagainst U.S. hegemony, Trend reports citing IRNA. Iranians marked the National Day of Fighting Global Arrogance onFriday, with people in Tehran taking to the streets leading to thebuilding of the former U.S. embassy and gathering outside thebuilding, waving flags and chanting anti-U.S. slogans. Similar protests were held in roughly 900 cities countrywide,according to Iranian media. Participants demonstrated “theirdisgust at the hostile policies of the hegemonic syste…