The first time the US federally barred immigration based on nationality

Watch this six-minute video to learn about the Chinese Exclusion Act of 1882, which was the first federal law to bar immigration explicitly because of nationality.

Early American citizenship was defined inconsistently by individual states.

The Chinese Exclusion Act was America's first major immigration restriction

The act, signed in 1882, barred Chinese laborers from entering the United States, marking the first significant restriction on free immigration. This overview examines 19th-century Chinese immigration, rising anti-Chinese sentiment, and the diplomatic implications of exclusionary legislation.

Before 1965, US immigration law relied on nationality-based bans and quotas.

Native Americans were not granted US citizenship until 1924

The Indian Citizenship Act granted citizenship to all Native Americans born in the US, more than 130 years after the Constitution's ratification. Even then, some states continued to deny Native Americans the right to vote for decades.

The 1924 Immigration Act established national-origin quotas favoring certain regions

The Johnson-Reed Act established stringent national-origin quotas favoring northern and Western Europeans while restricting immigration from other regions. This article chronicles the act's origins, its implications, and subsequent efforts to overturn these restrictions.

The 14th Amendment aimed to guarantee citizenship for formerly enslaved people

The 14th Amendment was crafted to overturn Dred Scott by granting birthright citizenship to formerly enslaved people and their descendants, securing their legal status under federal law.

The Dred Scott decision denied citizenship to people of African descent

In 1857, the Supreme Court ruled in Dred Scott v. Sandford that Black Americans could not be US citizens. The decision heightened an already brewing conflict and became a key factor in pushing the nation toward civil war.

The Tariff Act of 1789 was one of America's first acts.

Birthright citizenship is the principle that a person acquires citizenship by being born within a country's territory, regardless of parental nationality or immigration status.

The 1965 Immigration and Nationality Act abolished national-origin quotas and transformed the demographics of America

Following decades of citizens pressing for reform, President Johnson signed legislation abolishing national-origin quotas, enabling increased immigration from Asia and Africa. The LBJ Presidential Library features photos, videos, audio clips, and text from the 1965 signing ceremony.

Ratified in 1868, the 14th Amendment guaranteed citizenship to all people born in the United States and required states to provide equal legal protection to all.

Birthright citizenship guarantees US citizenship to anyone born on US soil

Rooted in the 14th Amendment, birthright citizenship prevents the creation of a permanent noncitizen class by granting citizenship at birth, but it has become a focal point of modern political efforts to restrict immigration.

Unconditional birthright citizenship is rare outside the Americas.

A timeline of US immigration laws

The United States began regulating immigration soon after it won independence from Great Britain, and the laws since enacted have reflected the politics and migrant flows of the times. Here's a timeline of key immigration laws from 1790 to 2014, according to the Pew Research Center.

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.

Voting rights expanded from 6% of Americans in 1789 to nearly all adult citizens today.

The Judiciary Act of 1789 created the foundation of the federal justice system

Passed by the First Congress, the Judiciary Act of 1789 established the federal court system, the Office of the Attorney General, and the US Marshals Service—the first law concerning national law enforcement and legal administration.

Advocates for restricting birthright citizenship argue that some parents aren't 'fully subject to US jurisdiction'

Proponents of limiting birthright citizenship claim that undocumented immigrants and temporary visa holders do not meet the 14th Amendment's "subject to the jurisdiction" requirement, arguing their allegiance remains with another country.

The Bill of Rights was designed to protect individuals from the power of the federal government

When the Bill of Rights was ratified in 1791, its protections applied only to the federal government. It wasn't until the 14th Amendment (1868) and the Supreme Court's doctrine of selective incorporation that most provisions were extended to state governments—a process that began in 1925.

An 1898 Supreme Court case confirmed birthright citizenship for children of immigrants

In 1898, the Supreme Court ruled that the 14th Amendment guaranteed US citizenship to Wong Kim Ark, born in San Francisco to Chinese immigrants—establishing a lasting precedent for birthright citizenship regardless of parental status.

Congress regrets discriminatory laws targeting Asian immigrants

In 2011, Congress expressed regrets about discriminatory laws that targeted Asian immigrants, such as the 1875 Page Act. Click here to read one of the twin bills and learn more about the laws in question.

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.

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.

President Donald Trump signed an executive order in 2025 to restrict birthright citizenship

In 2025, President Trump signed an order attempting to end automatic citizenship for children born to undocumented immigrants or temporary visa holders—limiting it to those with a US citizen or permanent resident parent.

The Articles of Confederation were the first governing documents of the United States

Drafted in 1777 and ratified in 1781, the articles created a weak national government without the ability to tax or regulate commerce. This led to problems for the new nation, necessitating the Constitutional Convention in 1787.

Black Americans were systematically excluded from juries for much of US history

Literacy tests, poll taxes, and even explicit laws kept Black Americans off juries until well into the 20th century. The Jury Selection and Service Act of 1968 mandated that federal juries reflect a fair cross-section of the community, though racial disparities in jury selection persist.

Courts have blocked the Trump administration's 2025 executive order limiting birthright citizenship

In June 2025, the Supreme Court declined to rule on the constitutionality of the order. Since then, two federal appellate courts have found the order unconstitutional, halting its enforcement nationwide.

The reservation system gives tribes limited self-governance while keeping them under federal control

Federal law designates Native nations as "domestic dependent nations"—a legal category that recognizes limited tribal sovereignty while subordinating tribes to federal authority. This ambiguous status, introduced by Chief Justice John Marshall's 1831 opinion in Cherokee Nation v. Georgia, has shaped conflicts over land and governance ever since.

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.

The Civil Rights Act of 1964 outlawed segregation and discrimination nationwide

The Civil Rights Act, signed into law in 1964, prohibited racial segregation in public accommodations and ended discrimination based on race, color, religion, sex, and national origin in employment, while also strengthening protections in education. It established protections enforced across federally funded programs.

Yellowstone was the world's first national park

Before it was designated as such, it was home to 27 Indigenous tribes, including the Blackfeet, Crow, and Nez Perce. European trappers and traders traveling west were entranced by the area’s stunning beauty and natural resources, fueling a push for the government to preserve the land for future generations.

Southern states enacted voting restrictions aimed at circumventing Reconstruction

After 1877, former Confederate states passed poll taxes, literacy tests, property requirements, and grandfather clauses to disenfranchise Black voters—restrictions that remained in place for nearly a century until the Voting Rights Act of 1965.

The debate over federalism helped produce the novel character of the United States

During ratification, Federalists argued that a strong national government was essential for national survival. Anti-Federalists warned that it could overwhelm states and threaten individual liberty—forcing compromises that shaped early American federalism and led to the adoption of the Bill of Rights.

The Dred Scott decision denied African Americans citizenship, upheld slavery, and marked the first use of judicial review since Marbury v. Madison

This page explores the case, providing information on Dred Scott and his case before the Supreme Court. Explore the implications of one of the most critical cases in the history of the court.

US immigrants shifted from primarily originating in Ireland and Germany to Mexico and India.

See the origins of the foreign-born population of the United States from 1850 to 2020.

James Monroe first outlined what became known as the 'Monroe Doctrine' during his 1823 Annual Message to Congress

President Monroe used his Annual Message to Congress to warn European powers against further colonization in the Western Hemisphere, asserting US opposition to foreign intervention and laying the foundation for a cornerstone of American foreign policy that remains to this day.

In 1792, Congress established the first national mint to produce all the coins in the US

At the same time, the US also started producing the dollar, its first official currency. The US Mint has since issued coins throughout the country.