Explore the important legislation that has shaped US immigration policy

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.

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.

Track the changes in US immigration law throughout history

This interactive timeline tracks the development of US immigration law, overlaid with time-series data on percentages of the foreign-born population. Explore how each major policy development correlated with immigration levels, revealing the relationship between legislation and demographic change.

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.

Explore the different experiences of immigrant communities arriving in the US

Immigrant communities experienced varied paths to entry and assimilation in America, depending on their arrival time and context. This Library of Congress resource provides detailed accounts of the experiences of major immigrant groups, drawing on primary sources.

Both parties largely agree that America's immigration system is broken

This three‑part podcast series traces America's immigration system origins, revealing how historically celebrated Ellis Island-era policies evolved into today's fractured, fact‑starved debate—shedding light on economic, cultural, and political forces shaping the current dysfunction.

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.

Multiple legal pathways exist for immigrating to the United States

This comprehensive guide outlines various routes to US immigration, including family-sponsored and employment-based visas, as well as humanitarian protections. Navigate the complex American immigration system and understand the options available to prospective immigrants seeking legal entry.

Immigration enforcement shows how federalism plays out on the ground

In recent years, federalism has shifted from allowing policy diversity across states to open conflict, with states and the federal government increasingly trying to impose their preferences on one another over issues like abortion, voting, immigration, and public health.

DACA provides temporary protection for undocumented youth brought to America as children

Created by executive order during the Obama administration, the Deferred Action for Childhood Arrivals policy provides temporary deportation protection and work authorization for undocumented individuals brought to the US as children. Explore the history and ongoing political debates surrounding DACA and citizenship pathways.

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.

Studies show immigrants commit crimes at lower rates than native-born Americans

Research examining incarceration records and crime data generally finds that immigrants—including undocumented individuals—have lower crime and incarceration rates than US-born citizens, though measurement is limited by gaps in national data on immigration status.

The first H-1 visa was created in 1952

Congress established the original H-1 visa in 1952 through the Immigration and Nationality Act of 1952 to let US employers temporarily hire foreign professionals of "distinguished merit and ability" when qualified American workers were unavailable—a precursor to today's H-1B program.

The 1935 Social Security Act drew inspiration from European social insurance models

Many of these, such as German Chancellor Otto von Bismarck's 1889 retirement system, emerged decades before America adopted them. This article dives into the modern history of economic security and the key legislation that created Social Security.

The 2025 budget bill significantly increased ICE's budget and role in federal law enforcement

The 2025 'Big Beautiful Bill' allocated $170B to immigration and border enforcement for use through 2029. ICE's nearly $100B share includes substantial increases in detention capacity and operational scope. The increased funding will make ICE the most heavily funded federal law enforcement agency.

Bills passed during the Civil War shaped postwar America

Despite the war with the South, Congress passed transformative laws like the Homestead Act and the Morrill Land-Grant College Act, which encouraged westward settlement and expanded higher education.

Learn how Mexico’s anti-slavery stance shaped the US–Texas conflict

Historian Alice Baumgartner explores how Mexico’s abolition of slavery clashed with Anglo settlers' ambitions in Texas. The episode reveals how enslaved people fled south to freedom, reshaping the politics that led to Texas independence and the Mexican-American War.

The Smoot-Hawley Tariff Act is among the most famous pieces of economic legislation in the US

In a desperate move to save the economy from the deepening global depression, the US placed tariffs on thousands of goods from abroad. This approach backfired, as many of America’s trade partners took retaliatory measures.

Integration of Latino players in MLB

The Senators’ spectacular losing record obscures one of the most important stories in baseball history: the club’s role in integrating Latino players into the major leagues

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

Anti-money laundering laws forcing banks to report data have become important foreign policy tools

Since the Bank Secrecy Act of 1970, which required banks to report transactions exceeding $10K and keep records on customers, anti-money laundering laws have become an important proxy for American foreign policy initiatives. Increased regulation via financial institutions helps curb drug and human trafficking, as well as destabilize the financial infrastructure for terrorist organizations.

Explore the nearly 1,000 laws, regulations, and provisions the court has held unconstitutional since Marbury v. Madison

Over more than two centuries, the Supreme Court has struck down nearly 1,000 federal, state, and local measures—exercising its authority to invalidate laws that conflict with the Constitution and shaping civil rights, the separation of powers, and the scope of government authority.

Since its inception in 1938, Congress has raised the federal minimum wage 22 times

If you want all the details about when and why these rate increases happened check out this resource from the US Department of Labor.

The 1951 Refugee Convention established international refugee rights and state obligations amid mass World War II displacement

The international treaty defines refugee status and outlines refugees' entitled rights while establishing state obligations to protect them. The UNHCR explains the convention's significance in creating the legal framework governing refugee protection worldwide.

The history of China: a timeline

How long has China existed, and how and when did it evolve into its form? Explore the journey of China from empire to republic (to a republic, again) in this timeline. Archaeological evidence suggests the earliest Chinese dynasty formed at about...

Explore early Thanksgiving documents, from recipes to early proclamations

History buffs will love this trove of original documents related to the Pilgrims and Thanksgiving, including 18th-century recipes, one of Sarah Josepha Hale’s appeals to President Lincoln to establish the national holiday, and a copy of Abraham Lincoln’s original 1863 Thanksgiving Day Proclamation. You can also find illustrations and photos of historical Thanksgiving celebrations over the years.

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.

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.

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

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

A century of Billboard issues documenting the evolution of popular music.

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

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.

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

The American cockroach is actually from Africa, an apparent hitchhiker aboard ships carrying enslaved people, with evidence suggesting the bug may have arrived in the New World as early as the 1600s.

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

Calculate how much of your tax dollars go to each federal program based on your income, filing status, and number of children

The American Society of Civil Engineers' infrastructure report card gave the US a C in 2025, its highest grade since the project launched in 1998.

Abraham Lincoln was almost assassinated weeks before his inauguration as he traveled from Illinois to DC through Baltimore in 1861; it took two independent claims for Lincoln to be convinced the threat was real

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

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

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 Brothers Grimm were lawyers before they were storytellers, but became interested in fairy tales as they began investigating how rules and customs had been passed down through cultures.

The word 'jazz' evolved from 'jasm,' 19th-century American slang for 'energy'

Scientists can determine Earth's past climate conditions by analyzing air trapped in microscopic bubbles within ice cores—columns of compressed snow layers that build up over hundreds of thousands of years.

A 2019 Facebook event called on attendees to "Storm Area 51, They Can't Stop All of Us," resulting in countless memes, the creation of a music festival, and eventually the arrests of those who did try to approach the area.

Indefinite cloning of some endangered species may not sustain their longevity because cloning success rates decrease as genetic mutations accumulate.

See how Ebola tore through Guinea, Sierra Leone, and Liberia in 2014-2016.