Reynolds v. United States (1878) established that religious belief is not a defense for a crime

Employment Division v. Smith (1990) reaffirmed the Reynolds decision that the law applies to everyone, regardless of faith

The Supreme Court ruled that the government does not have to grant religious exemptions from laws that apply to everyone. The case involved Native American church members fired for using peyote in a religious ceremony.

Read the language in the Constitution that protects religious freedom in the US

The First Amendment's religion clauses include two provisions: the establishment clause and the free exercise clause. These two parts prevent the government from endorsing any specific religion and from interfering with the free practice of religion.

Hear how the 2 religious clauses in the First Amendment have been tested and evolved over time

This podcast examines the evolution of the free exercise and establishment clauses, tracing their development from federal restrictions to state and local laws. Discover the believers who challenged the limits of religious freedom throughout American history.

The Religious Freedom Restoration Act of 1993 restricted the government's ability to limit religious practice

Congress enacted RFRA in response to the Supreme Court's decision in Employment Division v. Smith. The law requires the government to use the least restrictive means before substantially burdening an individual's religious exercise.

Madison argued that the government had no authority to regulate faith

James Madison viewed religion as a matter of individual conscience beyond the reach of the state, opposing government funding of churches and advancing a model of religious liberty based on noninterference rather than official toleration.

Maryland required officeholders to declare a belief in God until 1961

In Torcaso v. Watkins (1961), the Supreme Court unanimously ruled that a Maryland requirement that officeholders declare belief in God violated the First and 14th Amendments. The decision struck down religious tests for public office across all states.

Native religious practices were suppressed for centuries before receiving federal protection in 1978

During the first two centuries of American history, the government frequently banned Native ceremonial dances, took sacred sites, and enrolled children in boarding schools where they were prevented from practicing their faith. The American Indian Religious Freedom Act of 1978 committed the federal government to safeguarding Native spiritual practices.

Burwell v. Hobby Lobby Stores (2014) extended religious exemptions to family-owned corporations

The Supreme Court ruled 5-4 that family-owned companies could invoke the Religious Freedom Restoration Act to refuse contraception coverage required under the Affordable Care Act. It was the first time the court recognized that for-profit corporations could hold religious beliefs.

The Supreme Court's first major free-speech ruling rested on a legal standard that was later overturned

In Schenck v. United States (1919), the court introduced the "clear and present danger" test—permitting the government to restrict speech that posed an immediate threat to public safety. Although the doctrine was later replaced, the ruling upheld the conviction of a man who had distributed anti-draft pamphlets.

The Supreme Court decided that a public school coach's postgame prayers were protected speech

The Supreme Court ruled 6-3 in favor of a high school football coach who had been suspended for kneeling in prayer at midfield after games. The decision shifted away from the Lemon test and toward a more expansive view of religious freedom in the Establishment Clause.

Lemon v. Kurtzman (1971) created a 3-part test for church-state entanglement

In this case, the Supreme Court established a three-part test—requiring a secular purpose, no advancement of religion, and avoidance of excessive entanglement—for laws concerning the Establishment Clause. The test was later effectively sidelined in recent rulings.

The Supreme Court ruled that burning the American flag is protected speech

In Texas v. Johnson (1989), the court held, 5-4, that flag burning is a form of symbolic political expression protected by the First Amendment—one of the most controversial free-speech rulings in American history.

Snyder v. Phelps found that the First Amendment protects speech, even if it is deeply hurtful or inflammatory

When some members of the Westboro Baptist Church, carrying inflammatory signs, picketed the funeral of a fallen Marine, his father sued but lost. The Supreme Court ruled 8-1 that the protest addressed matters of public concern and was protected by the First Amendment.

An 1873 Supreme Court case about slaughterhouses weakened parts of the 14th Amendment

In 1873, the Supreme Court's Slaughterhouse Cases ruled that the 14th Amendment's "privileges or immunities" clause protected only federal—not state—citizenship rights, greatly limiting the amendment's power to safeguard enslaved people from state discrimination.

Gibbons v. Ogden expanded federal power over interstate commerce

In 1824, the Supreme Court unanimously invalidated a New York steamboat monopoly, ruling that navigation between states constitutes interstate commerce. Chief Justice John Marshall held that Congress has authority over such commerce and that conflicting state laws are void under the supremacy clause.

Pierce v. Society of Sisters limited state power over how parents educate their children

In striking down Oregon’s attempt to ban private schools, the Supreme Court held that forcing children into public education violated substantive due process, affirming that parents—not the state—have a fundamental right to direct their children’s upbringing and education.

'Pastafarians' have used their pasta-strainer-wearing faith to test the legal limits of what counts as religion

Founded in 2005 to mock the teaching of creationism in public schools, the Church of the Flying Spaghetti Monster has led to real First Amendment cases—over driver's license photos, courthouse statues, and prison rights. Courts have generally ruled it as satire rather than religion.

In the US, any court can rule on constitutionality—unlike in most other countries

In the American system, known as diffuse judicial review, federal and state courts at every level may assess whether laws comply with the Constitution, and their decisions are ultimately reviewable by the Supreme Court. Many other democracies, by contrast, reserve constitutional review to specialized constitutional courts.

Roger Williams founded the first American colony without an established church

Banished from Massachusetts in 1636 for preaching religious dissent, Williams founded Providence, Rhode Island—one of the earliest governments in the Western world to guarantee broad religious liberty. His phrase "wall of separation" between church and state directly influenced Jefferson and the Constitution's framers.

A 1954 Supreme Court ruling helped quiz shows avoid regulation

When the Federal Communications Committee attempted to rein in giveaway shows, the Supreme Court ruled that quiz shows were not a form of gambling because contestants did not have to risk anything to participate. Some believe that the ruling prevented proper oversight of the industry as it became more popular.

The Fifth Amendment covers a wide range of legal protections for those accused of a crime

While it is widely known for the right against self-incrimination, the Fifth Amendment also protects against being charged for the same crime twice, requires grand jury indictments for serious crimes, and mandates compensation when the government takes private property for public use.

Plessy v. Ferguson legalized segregation until Brown v. Board of Education overturned it

In 1896, the Supreme Court upheld racial segregation under the "separate but equal" doctrine, enabling decades of discrimination. This explainer traces how Brown later ruled school segregation unconstitutional and reshaped civil rights law.

Roe v. Wade recognized a constitutional right to abortion until Dobbs v. Jackson Women's Health Organization overturned it

For decades, the Supreme Court shaped abortion access through constitutional rulings, from Roe's recognition of a right to abortion to Dobbs' returning regulatory power to the states. This explainer tracks key cases, impacts, and current justices' views.

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

Data indicates a strong concentration of religious people live in the American South

The Northeast and West Coast tend to be less religious. Mississippi is the most religious state, with 50% of adults classified as highly religious. Vermont is the least religious at 13%.

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

A Tennessee teacher was put on trial in 1925 for teaching evolution in a public school

John Scopes was found guilty and fined $100, but the conviction was later overturned on a technicality. Tennessee's anti-evolution law stayed on the books until 1967, when it was finally repealed.

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

The rivalry between Alexander Hamilton and Thomas Jefferson centered on federalism—the question of how much power the federal government should hold relative to the states.

70 years ago today, city officials in Santa Cruz, California, banned rock 'n' roll to protect its youth from corruption after witnessing a 'provocative' concert the night before.

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

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.

See this overview of the firework rules across all 50 states, ranging from a complete ban on non-professional fireworks in Massachusetts to states with more lax rules like Indiana.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

At the beginning of the 20th century, a group of young men ate standard American food—replete with food additives like borax and formaldehyde—as part of government research to better understand food safety.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

Doctors differentiate between a phobia and fear by asking patients whether their fear interferes with their day-to-day activities.

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

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.'

The first horror movie is believed to be George Méliès' 1986 short 'The Haunted Castle,' which pioneered the use of special effects

Pure water does not conduct electricity because this flow of energy requires the movement of charged particles, and water is a neutral molecule.

In 2009, the nation was gripped by the story of a missing young boy who was believed to be floating over Colorado in a homemade balloon, until it was revealed that he was at home the whole time.

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.

The first line of 'immortal' human cells, which can divide indefinitely and are used in scientific research, was nonconsensually taken from a Black woman.

'Grand Canyon of the Yellowstone,' a work by American painter Thomas Moran, inspired Congress to establish Yellowstone National Park.

Learn how to read a prospectus, the juicy document that any company must file with the SEC before going public.

Corals are themselves not coral reefs—the term refers to the tiny marine invertebrates that build the rigid reef.

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

Legendary architect Frank Lloyd Wright designed the SC Johnson headquarters in Wisconsin, aiming to make a cathedral-like workplace