Two groups of Iranians rallied in Washington D.C. on Saturday, February 8 to protest against the Islamic Republic, as it marked the 41st anniversary of the 1979 revolution.

One group of protesters gathered outside the Embassy of Pakistan, which is home to Iran’s interest section in Washington, shouting slogans as guests arrived for a ceremony marking the anniversary. They chanted “terrorists” and “shame” as those invited arrived at the venue.

The protesters also highlighted the killing of up to 1,500 protesters in November during widespread anti-government unrest in Iran.

Supporters of Islamic Republic opposition group, the Mujahedin Khalq organization known as MEK gathered outside the White House in Lafayette Park to show solidarity with dissidents persecuted in Iran and highlight the importance of the killing of Iran’s Revolutionary Guard commander Qassem Soleimani by a U.S. drone in Baghdad on January 3.

The few hundred participants at the gathering heard retired Col. Wesley Martin who served as the senior anti-terrorism officer in Iraq and former Republican Rep. Ted Poe of Texas say that Soleimani’s killing served the security of the United States.

The Washington Examiner quoted Martin as saying at the rally, “Khamenei and his regime are going down, and we’re going to live to see it.”

After a string of tough challenges in the past two years, the Islamic Republic is trying to show it is still strong through various events to mark the revolution anniversary this month.