December 3

Khomeini Installed as Iran's First Supreme Leader

197920th CenturyPoliticsMiddle East & North Africahighexpanded detail

Ayatollah Ruhollah Khomeini was formally installed as Iran's first Supreme Leader on December 3, 1979, establishing the institutional framework of clerical authority under the new Islamic Republic.

Summary

The Iranian Revolution of 1979 overthrew the Pahlavi monarchy amid widespread discontent with Western influence, economic inequality, and political repression under Shah Mohammad Reza Pahlavi. Ayatollah Ruhollah Khomeini, exiled since 1964, returned triumphantly in February 1979 after the Shah's departure. A new constitution was drafted establishing a theocratic republic with significant clerical oversight. On December 3, 1979, Khomeini was formally designated the first Supreme Leader, wielding ultimate authority over military, judiciary, and foreign policy. This consolidated power among revolutionary forces and Islamists. The move marked the institutionalization of velayat-e faqih, or guardianship of the Islamic jurist.

Context

Under Shah Mohammad Reza Pahlavi, Iran underwent aggressive modernization programs known as the White Revolution, which emphasized land reform, women's rights, and industrialization while fostering close military and economic ties with the United States and Western powers. These changes provoked resistance from Shia clerics who viewed them as an erosion of traditional Islamic values, alongside grievances over political repression by the SAVAK secret police, widening economic inequality, and rapid urbanization that displaced rural populations. Ayatollah Ruhollah Khomeini emerged as a leading voice of opposition; his criticism of the Shah led to his exile in 1964, first to Turkey and then to Iraq and later France, from where he continued to influence events through smuggled recordings and writings advocating Islamic governance.

What Happened

Mass protests and strikes in late 1978 forced the Shah to leave Iran on January 16, 1979. Khomeini returned triumphantly to Tehran on February 1 and quickly assumed de facto leadership. An interim government under Prime Minister Mehdi Bazargan was formed, and a national referendum on March 30–31 approved the creation of an Islamic Republic by an overwhelming margin. A draft constitution was prepared and revised by the Assembly of Experts, an elected clerical-dominated body, which incorporated the doctrine of velayat-e faqih granting supreme authority to a senior Islamic jurist. Following a referendum on the constitution held December 2–3, 1979, Khomeini was designated Supreme Leader on December 3, assuming ultimate control over the military, judiciary, and key foreign policy decisions.

Aftermath

The installation consolidated power in the hands of revolutionary Islamists and sidelined more secular or moderate factions within the broad anti-Shah coalition. Khomeini’s authority helped navigate the early months of the U.S. embassy hostage crisis that had begun in November 1979, while the new theocratic structures were rapidly implemented. Abolhassan Banisadr was elected president in January 1980, but real power resided with the Supreme Leader and associated clerical institutions such as the Council of Guardians.

Legacy

Khomeini’s designation institutionalized velayat-e faqih as the cornerstone of Iranian governance, creating a hybrid system in which elected bodies operate under the oversight of unelected clerical authorities. This model has shaped Iran’s domestic politics and foreign policy for decades, inspiring Islamist movements elsewhere while fueling prolonged confrontation with the United States and its allies. Historians regard the event as the decisive moment when the Iranian Revolution transitioned from a broad popular uprising into a durable clerical republic.

Why It Matters

Khomeini's leadership entrenched Iran's Islamic Republic system, influencing regional geopolitics through export of revolutionary ideology and confrontation with the West. It reshaped Middle Eastern politics and set the template for clerical governance in the modern era.

Related Questions

What was the main principle behind Khomeini’s vision of Islamic government?

Velayat-e faqih, or guardianship of the Islamic jurist, which holds that a qualified cleric should hold ultimate political and religious authority.

How did the Shah’s policies contribute to the 1979 revolution?

Rapid Western-style modernization, political repression, and perceived cultural alienation fueled widespread discontent across religious, secular, and economic lines.

What role did the Assembly of Experts play in the new constitution?

The body, dominated by clerics, rewrote the draft to strengthen the Supreme Leader’s powers and create oversight institutions such as the Council of Guardians.

When did Khomeini return to Iran after exile?

February 1, 1979, shortly after the Shah’s departure, where he was greeted by millions as the revolution’s leader.

How long did Khomeini serve as Supreme Leader?

From December 3, 1979, until his death on June 3, 1989.

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Sources

  1. December 3, Wikimedia Foundation. Accessed 2026-07-07.
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