The Shah used torture and other human rights abuses to maintain power before the revolution

Mohammad Reza Shah Pahlavi ruled Iran for nearly four decades before being ousted by the revolution

The last Shah of Iran came to power in 1941 and pursued rapid Westernization through his controversial reforms. His authoritarian rule, backed by the US, and his feared secret police, SAVAK, fueled mass resentment that ultimately drove him from power in 1979.

Ayatollah Khomeini led the ideological opposition to the Shah from exile

Exiled in 1964 for opposing a law that granted diplomatic immunity to US military personnel in Iran, Khomeini built a large following by smuggling recorded sermons into Iran on cassette tapes. He aimed to replace the monarchy with an Islamic republic governed by religious law.

In 1979, Iranian students seized the US Embassy in Tehran, holding 52 Americans hostage for 444 days

Outraged by the US decision to allow the exiled Shah to enter the United States for medical treatment, student protesters stormed the embassy in November 1979. The crisis paralyzed the Carter presidency and ended with a negotiated release on the day of Ronald Reagan's inauguration.

Watch contemporary footage covering the US-backed Shah of Iran fleeing the country in the face of the 1979 Iranian Revolution

The Iranian Revolution relied largely on nonviolent tactics

Despite thousands of unarmed protesters killed by the Shah's forces, the revolution relied overwhelmingly on nonviolent tactics, including strikes, demonstrations, and civil disobedience, with up to 9 million Iranians peacefully taking to the streets, making it one of history's largest protest movements by population percentage.

The UN found that the Islamic Republic of Iran used genocidal tactics after the revolution

A 2024 report classified Iran's mass executions of political prisoners in the 1980s as genocide and crimes against humanity, finding that thousands were arbitrarily killed under Khomeini's orders by "death committees" targeting perceived religious and political enemies.

10 ways that Saudi Arabia violates human rights

This article outlines the ways Saudi Arabia is violating human rights. Saudi Arabia is among the world’s top executioners, employing torture both while in police custody and as a punishment following unfair trials. In addition, Saudi Arabian...

Oil nationalization triggered the CIA‑backed 1953 coup in Iran

NPR's Four Days in August podcast recounts the four days of covert CIA‑UK operations in Iran that toppled Prime Minister Mossadegh in August 1953. Threats of Iranian oil nationalization were a major driver of the decision to facilitate regime change.

US intelligence allegedly pursued more than 600 schemes to assassinate Cuban revolutionary Fidel Castro.

The wife of Nixon's attorney general was forcibly held to silence her Watergate revelations

While vacationing in June 1972, Martha Mitchell was held captive, sedated, and physically abused by operatives connected to Nixon, intent on keeping her from speaking to reporters.

US intelligence allegedly pursued more than 600 schemes to assassinate Fidel Castro

From exploding cigars and poisoned Cohibas to an infected scuba suit and plans to drug a TV studio with LSD, this account catalogs the CIA's strangest—and consistently unsuccessful—attempts to kill Fidel Castro over decades.

Human sacrifice reinforced Aztec political control and religious belief

The Aztecs controlled a vast territory through military might and intimidation. One very key tactic of control was the ritual of human sacrifice. While an effective scare tactic, the ritual was also grounded in deeply held beliefs that the world was sustained by blood.

Iran's Revolutionary Guard Corps is independent of Iran's regular army and is one of the most powerful and influential military-political organizations in the Middle East.

Prelude to the Tiananmen Square crackdown

On June 2, 1989, two days before the military-led massacre that would come to be known as the Tiananmen Square crackdown, nine of China's top leaders discussed how to stop pro-democracy protesters. During this meeting, leader Deng Xiaoping delivered a speech that has shaped the country ever since, in which he advocated for a forceful end to the protests while supporting China's economic "opening-up" featured in protesters' demands.

Views on the Nixon pardon softened over time

Americans initially rejected Ford's September 1974 pardon of Nixon—38% approved it versus 53% disapproved—but by 1986, a slim majority (54%) believed it was the right call, showing that public sentiment softened over more than a decade after the controversy.

The fabulous prison escapes of Japan's Yoshie Shiratori

Between 1936 and 1947, Japan's Harry Houdini escaped from prison four times, each more daring than the next. Even as the walls grew taller and the windows smaller, Siratori found ways to free himself from captivity.

The Soviet Union had a similar sphere of influence policy during the Cold War—the Brezhnev Doctrine

Articulated in 1968, the Brezhnev Doctrine claimed the Soviet Union's right to intervene militarily in its satellite states to prevent any deviation from communist rule. It was used to justify the invasion of Czechoslovakia that same year and the invasion of Afghanistan in 1979.

Hawaii lived under martial law for nearly three years after Pearl Harbor

After the attack, Hawaii was placed under sweeping military rule—curfews, censorship, warrantless arrests, ID papers, and mass detentions transformed everyday life. More than 2,000 people were arrested within 48 hours of the attack, and the islands remained under martial law for nearly three years.

Deinstitutionalization in the 20th century unintentionally led to the incarceration of schizophrenia patients

Activism to shut down problematic asylums in the mid-20th century led to the community release of many patients with severe mental illnesses, including schizophrenia, but without adequate support, this deinstitutionalization in the 1960s and 1970s led to a significant increase in patients with schizophrenia ending up in prisons and homeless shelters.

Garry Kasparov, former world chess champion, is a critic of authoritarian regimes

World champion from 1985 to 2000, Kasparov was politically outspoken during the Soviet era, clashing with authorities over censorship and restrictions. After retirement, he became a leading Russian dissident and fierce critic of Vladimir Putin, eventually fleeing the country in 2013.

Issues of ICE conduct span multiple Republican and Democratic administrations

Complaints of abuse and harsh treatment increased as detentions and deportations of undocumented immigrants reached record levels during former President Barack Obama's first term. Frontline investigated the causes of these claims in 2011 and found that these issues cross party lines.

Women lost legal rights after the revolution, despite educational gains

The revolution rolled back women's legal protections, including the Family Protection Law, and imposed the mandatory hijab. Paradoxically, women later achieved significant educational gains, with university enrollment and literacy rates dramatically improving.

The US protects free speech more broadly than any other democracy

Well-known First Amendment lawyer Floyd Abrams explains that the US offers stronger free-speech protections than even close democratic allies, where hate speech is criminalized, libel laws favor plaintiffs, and a "right to be forgotten" can erase truthful information from the internet.

Why Orwell called Dalí a 'disgusting human being'

Writer George Orwell took offense at the disturbing actions described in Dalí's salacious autobiography "The Secret Life of Salvador Dalí." In a 1944 essay, Orwell described the cruelty and moral degradation of Dalí—while also admitting the artist's undeniable talent.

The US Constitution is widely regarded as the longest-standing written national constitution still in force—see how it has influenced rights worldwide.

Critics call WeChat a surveillance tool

This report from the Citizen Lab details evidence WeChat, with 1.4 billion users, is a powerful surveillance tool for the Chinese Communist Party. In particular, it finds the government uses non-China accounts to train censorship algorithms for use on domestic communications.

Authoritarian regimes sometimes used film dubbing to censor ideas

Dubbing rose in popularity in the early 20th century because of relatively low literacy rates, which made subtitles impractical. Totalitarian regimes—including Mussolini's Italy, Franco's Spain, and Hitler's Germany—used dubbing to remove or alter unflattering or countercultural dialogue.

Gulags were a vast network of Soviet forced-labor camps under Stalin

The USSR’s gulag system imprisoned millions in harsh, often deadly conditions from the 1930s to the 1950s. This resource features an interactive map that shows the locations of individual camps and includes stories of those who were imprisoned.

Abolitionists shaped American history from the Revolution to the Civil War

Abolitionists of all backgrounds organized against slavery from the founding era onward. Historian Manisha Sinha argues that their decades of activism fundamentally shaped American democracy and made emancipation possible.

See 33 images that became central to huge scandals, including a young Charles and Camilla, Michael Jackson's baby on a hotel balcony, and Hugh Grant's mugshot.

One of the most famous portraits ever taken is 'Afghan Girl' (1984) by Steve McCurry, yet the subject Sharbat Gula went much of her life without being identified or benefitting from the image's success.

The identity of the Tank Man in the iconic photo from the 1989 Tiananmen Square protests remains unknown and was possibly killed.

After her fellow cult members tried to kill her with an LSD-infused hamburger, one member of the Manson Family, the murderous cult led by Charles Manson, decided to testify against the group's leader.

'Shogun,' a 1980s TV series, helped popularize sushi in the US by stimulating an American interest in Japanese culture.

Jimmy Carter signed a 1978 bill that legalized home brewing, a move credited with kick-starting the craft beer industry.

The story of Dollree Mapp, whose legal challenge over her 1957 conviction for possessing "obscene material" led to a major strengthening of the Fourth Amendment

See a ranking of the best (and worst) Federal Reserve Chairs since 1914 out of the 16 men and women who have held the office since.

In 1963, a basement renovation in Turkey revealed a passageway to a hidden, multilevel underground city that once housed as many as 20,000 people

Before humans, the Soviet Union and the United States sent animals—including apes, dogs, and cats—to space during the Space Race.

20,000 letters to the advice columnist 'Dear Abby' provide insight into prevailing sex, religion, and LGBTQ fears, anxieties, and concerns from the 1950s onward.

Famed poet TS Eliot rejected the manuscript for George Orwell's political fable 'Animal Farm,' writing that its criticism of authoritarianism was not 'the right point of view.'

Sunflowers have long been a symbol of nuclear disarmament because they can extract large amounts of radioactive cesium from soil.

Many legends about George Washington, including his supposed wooden teeth and the story of cutting down the cherry tree, lack evidence.

In 1984, Operation Smash Hit intentionally crashed a 239-ton train into a nuclear waste canister at 100 miles per hour to prove the canister's safety, which remained completely intact and lost just 0.29 of its 100 pounds of pressure.

In 2018, 26-year-old missionary John Allen Chau was killed by tribesmen after attempting to reach and evangelize on India's isolated North Sentinel Island

Gerrymandering works through two techniques: cracking opposing voters across districts to dilute their power, and packing them into a few to waste their votes in lopsided majorities.

Clever Hans was a 1900s horse that was believed to be able to solve math equations, tell time, and read and comprehend German, until a psychology student discovered how he got his answers.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

Explore what it's like inside a patient isolation unit, used in situations such as treating a patient or suspected patient with Ebola.