The words 'separation of church and state' are not found in the Constitution

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.

Thomas Jefferson wrote the Virginia Statute for Religious Freedom in 1786, which directly influenced the US Constitution

Drafted by Jefferson, the statute guaranteed freedom of worship to people of all faiths. Jefferson considered it one of his greatest achievements, and it served as the direct model for the First Amendment's religion clauses.

The First Amendment established religious freedom as a constitutional right—a safeguard no other nation had before

Europe had limited religious tolerance for centuries, but always as a privilege granted by rulers who could revoke it. The First Amendment in the United States was unique for the time: It banned the government from interfering with religion, making religious freedom a permanent constitutional limit on state power.

Most Americans support the separation of church and state

A 2021 Pew survey found that 55% of Americans strongly or moderately support the separation of church and state, while 14% favor integrating religion more into government.

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.

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.

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

In the first major Supreme Court case on the free exercise clause, the court ruled that the government cannot regulate religious belief, but it can regulate religious practice if it violates the law. The case arose from a Mormon man convicted of polygamy who argued his faith required it.

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.

James Madison's original draft of the First Amendment was far more expansive than what was ratified

Madison's first proposed language guaranteed the right "to speak, to write, or to publish" one's sentiments freely—broader and more explicit than the final text—and described the free press as "one of the great bulwarks of liberty."

Every US state constitution references God or the divine, though the federal Constitution does not

God or the divine is mentioned at least once in all 50 state constitutions and nearly 200 times overall. Massachusetts has the most, with eight references, and four states do not use the word "God" but instead refer to a "Supreme Being" or "Divine Guidance."

'Under God' was added to the pledge in 1954 as an anti-communist statement

When President Eisenhower signed the phrase into law on Flag Day 1954, the intent was ideological: to distinguish American democracy from "godless" Soviet communism. The author of the original 1892 pledge, Francis Bellamy, was himself a Baptist minister who believed in the separation of church and state, making the addition an inversion of his intent.

The separation of powers is a pivotal component of the US Constitution

Explore how the three branches interact through the Supreme Court case of US v. Alvarez. The Supreme Court first struck down a law, then Congress and the president later revised it—illustrating how judicial review can reshape legislation and executive action.

In a letter, George Washington assured a Jewish congregation that the new government gives 'to bigotry no sanction'

In 1790, President Washington visited Newport's Touro Synagogue and received a welcoming letter from its warden. Washington's reply—considered his clearest statement on religious tolerance—assured the congregation that under the new government, religious freedom would be protected as a fundamental right.

France has a strict and explicit separation of church and state

France's principle of laïcité—strict separation of church and state—prohibits religious expression in public institutions, including the wearing of religious clothing and symbols in public schools and by government employees.

A section condemning slavery was cut from the Declaration

Thomas Jefferson included a passage in his original draft denouncing slavery. This explainer from the Henry Ford Museum explores why Congress removed it to preserve colonial unity and how that decision shaped the nation's earliest political compromises.

Trace how the Bill of Rights, inspired by centuries of political theory, took shape between 1774 and 1789.

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.

The Founders were split on term limits during the Constitutional Convention

At the Constitutional Convention, delegates debated whether to mandate term limits. In letters, Jefferson warned that indefinite service could entrench power, while Madison argued that regular elections—not forced turnover—were the best safeguard against abuse.

The Bill of Rights spent more than a century largely ignored by the courts

When ratified in 1791, the Bill of Rights applied only to the federal government, which exercised little direct control over daily life. It played a limited role in early constitutional law until the 20th century, when legal advocates began using it to challenge state and local laws.

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.

Delegates at the First Continental Congress affirmed loyalty to Britain while protesting

Delegates met in Philadelphia in 1774 to debate how to respond to British acts clamping down on trade and increasing taxes. The result of the congress was to call for the formation of colonial militias and to embargo British goods. Delegates also adopted the Declaration of Rights and Grievances, though there was broad disagreement about how to respond to Britain’s policies.

The Articles of Confederation were not a federal system

Ratified in 1781, the Articles of Confederation left the states sovereign and independent, denied the national government power to tax or regulate commerce, and forced Congress to act through the states—exposing the limits of confederation and paving the way for US federalism.

The 10th Amendment affirms that most undelegated powers remain with the states

Adopted to reassure skeptics of an overly powerful federal government, the amendment was meant to curb federal overreach and preserve state control over most everyday governance decisions.

The Third Amendment bars the forced housing of soldiers in private homes

The amendment was designed to address a specific grievance of the Colonies and remains the only Bill of Rights provision that has never been directly tested by a Supreme Court ruling on its merits.

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.

The ACLU was founded in 1920 in direct response to the suppression of speech during World War I

The mass arrest and prosecution of anti-war activists, socialists, and immigrants under the Espionage and Sedition Acts prompted a group of civil libertarians to form the American Civil Liberties Union to defend constitutional rights.

The Satanic Temple has protested the presence of the Ten Commandments at state capitols

After Oklahoma and Arkansas put up Ten Commandments monuments on their state capitol grounds, the Satanic Temple argued that if one religion's symbols are allowed, theirs should be, too. The temple asked for permission to install a bronze statue of the goat-headed figure Baphomet next to them.

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.

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

The original copy of the Declaration of Independence is not a pristine document, and even features a smudged anonymous handprint in the bottom left corner.

The United States is one of only around two dozen countries with a fully federal system of government, in which power is divided between national and state governments.

Despite being favored by 87% of Americans, Congress does not have term limits.

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

A small portion of The Winstons' 'Amen, Brother,' an obscure '60s gospel record, is the basis for thousands of hip-hop tracks, making it one of the most sampled records ever that's informally known as 'the Amen break.'

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.'

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.

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

Mark Twain spent decades feuding with the US Postal Service, convinced its costs and regulations were bureaucratic overreach.

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.

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

The United States has had a tumultuous relationship with Cuba since its 1959 revolution, highlighted by a nuclear crisis and a decades-long trade embargo.

Budweiser stores yeast derived from the original 1800s strain in a secret bunker, which only the Head of Yeast Management can access—not even the CEO

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.

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

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

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

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

An initial public offering or 'IPO' is the process of a private company becoming public by putting shares of the company on the stock market for purchase.

Chaos theory—informally known as the butterfly effect—is the reason why weather forecasts are presented with probabilities rather than certainties.

Ebola species have historically been named after where they were discovered, stigmatizing residents who live there, including Bundibugyo, in Uganda.