The Department of Justice was formally established in 1870

The Department of Justice is the nation's chief law enforcement and legal agency

Established in 1870, the US Department of Justice enforces federal law, safeguards civil rights, and represents the United States in court—serving as the central authority for federal prosecutions and legal advice across all executive agencies.

The Department of Justice is led by the US attorney general

The attorney general acts as the nation's top law enforcement official—managing all Department of Justice activities, overseeing US attorneys, and advising the president and federal agencies on legal issues that influence policy and enforcement.

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.

Explore the biographies and official portraits of every US attorney general since 1789

The DOJ's official archive features profiles of every attorney general in American history—from Edmund Randolph, appointed by George Washington in 1789, to the present day—including their official portraits.

The early DOJ led the first major federal civil rights prosecutions

During Reconstruction, the newly formed Department of Justice prosecuted Ku Klux Klan violence in the South—securing over 1,000 indictments and more than 500 convictions by 1873 in defense of newly established civil rights protections.

US marshals were the first federal law enforcement officers

Established in 1789, US marshals carried out court orders, served subpoenas, made arrests, and collected fines—serving as the federal government's main law enforcement agency across the states for nearly a century before the creation of the DOJ.

The DEA enforces federal drug laws under the Department of Justice

Established in 1973, the Drug Enforcement Administration directs federal efforts to fight illegal drug trafficking, oversee controlled substances, and dismantle large narcotics networks both within the United States and internationally.

The Department of Justice spent $44B in 2024

In fiscal year 2024, the Department of Justice spent approximately $44B—making it the 14th-largest federal agency by total spending. Its budget funds law enforcement activities, prosecutions, prisons, and grants to state and local justice initiatives.

Early attorneys general worked alone and often kept private law practices

The first attorneys general served as the president's chief legal advisor and represented the government before the Supreme Court—but without staff, office, or salary support, many maintained private practices to supplement their income.

The Voting Rights Act expanded the DOJ's power to enforce voting protections

The Voting Rights Act of 1965 expanded the Department of Justice's power to challenge discriminatory election laws, send federal examiners, and supervise voting changes in areas with histories of voter suppression—although some of these powers have been limited by court rulings since then.

Immigration courts are part of the DOJ, not the judicial branch

Unlike federal courts, immigration courts operate under the DOJ's Executive Office for Immigration Review—meaning immigration judges are DOJ employees, not independent judicial officers, and their decisions can be reviewed and overturned by the attorney general.

President Trump has changed decades-long norms for the DOJ during his second term

The Trump administration made changes to ethics oversight, instructed US attorneys to coordinate with the White House, dismissed cases, and overhauled the career hiring process in the Civil Rights division. The administration asserts these changes were justified and aimed to end what they claim as the weaponization of government.

John Marshall inherited a marginal and largely inactive Supreme Court

By 1801, the court had little institutional authority or public standing. Its first three chief justices served only 11 years combined, and in its first decade, the court decided only 63 cases—none of which struck down a federal or state law.

The United States is the world's oldest continuously operating federal system under a written constitution

The US pioneered federalism in the late 18th century, and many countries later adopted federal systems to manage conflict and share power. This resource features interactive maps that trace the spread of federal systems worldwide from 1900 to the present.

America’s founding documents were once housed in other government buildings

Today, the Constitution and Declaration are displayed at the National Archives. Still, for more than a century, they were kept by other federal institutions—including the State Department and the Library of Congress—before gaining a permanent home in the 1930s.

Compare how justice ministries and courts are structured around the world

The Federal Judicial Center's "Judiciaries Worldwide" series provides clear and accessible comparisons of how various countries organize their justice ministries, prosecutors, courts, and judicial councils—emphasizing global models of independence, oversight, and institutional structure.

Grand juries investigate crimes and decide whether the government has enough evidence to charge someone

Unlike trial juries, which determine guilt, grand juries decide whether there is probable cause to bring charges at all. If they find enough evidence, they issue a formal indictment. Federal grand juries are enshrined in the Fifth Amendment of the US Constitution.

In 2020, the US DOJ sued Google for unlawful monopolization of the search engine market

The US Department of Justice and numerous states accused Google of making exclusionary agreements with Android phone manufacturers to make its search engine the default on those devices, preventing competitors from gaining market share.

As president, Thomas Jefferson expanded federal power despite opposing centralized authority

Although Jefferson argued for limited national power, his presidency expanded federal authority through actions such as the Louisiana Purchase, territorial governance, and federal enforcement—reflecting a pragmatic departure from his earlier strict interpretation of the Constitution.

In 2025, President Donald Trump signed an order shrinking the Department of Education

On March 20, 2025, President Donald Trump issued an executive order to “take all necessary steps to facilitate the closure” of the U.S. Department of Education, though complete dismantlement requires congressional approval.

Modern antitrust law was created to combat the Standard Oil Trust

John D. Rockefeller's Standard Oil Trust enabled him to evade laws against a single corporation buying stock in another. His centralized board of directors held stock in many different oil companies under his control, allowing Rockefeller to eventually monopolize the oil refining industry. Efforts to regulate and prevent the Standard Oil Trust's monopoly became known as "antitrust" laws.

Title IX was signed into law in 1972

Title IX of the Education Amendments Act, signed into law by President Richard Nixon on June 23, 1972, prohibits sex-based discrimination in federally funded education programs. In its five-plus decades, it's been credited with increasing the number of women enrolled in college and shaping the modern world of women’s sports.

See a timeline of the IRS's history, including the introduction of standard deductions and the digitization of the filing process

The Commissioner of Internal Revenue was created in 1862 to take over federal tax collection after the President enacted a temporary income tax. That agency eventually became today's Internal Revenue Service.

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

The White House was officially called the Executive Mansion until 1901

Throughout the 19th century, the building we now call the White House was formally known as the "Executive Mansion"—and earlier as the "President's House" or "President's Palace". In October 1901, President Theodore Roosevelt formalized the name "The White House" for all government use.

William James laid the foundation for psychology as a scientific discipline in the US

Though initially trained in painting, James would help establish Harvard's psychology department as a distinct science rather than an extension of philosophy. He taught one of the first psychology courses in America and is credited as one of the founders of American Pragmatism.

The USPS spent $3.97B in 2024, accounting for .058% of the federal budget.

The idea for the Federal Reserve was conceived in secret in 1910—with bankers donning duck hunt gear for disguise while traveling to a remote country club on Georgia's Jekyll Island

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.

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

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.

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.

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

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

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

The US first hosted the World Cup in 1994, a tournament that lives in soccer infamy for its poor planning and the murder of Colombian player Andres Escobar, who'd accidentally scored on his own net.

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

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

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.

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.

A researcher recently discovered an interview from 1967 between groundbreaking journalist Joan Didion and the Grateful Dead, years before the band became an institution.

The animatronic shark from Steven Spielberg's 'Jaws,' the first modern blockbuster, was a complex underwater apparatus called 'Bruce.'

Graffiti dates back to at least ancient Pompeii, where citizens scrawled messages to one another on public walls

View the ten deadliest tornadoes in US history.

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

English mathematician Ada Lovelace wrote the first computer algorithm a century before computers existed and hypothesized that computing devices would one day be able to compose music—foreseeing the generative AI systems of today.

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

Researchers believe the brain consolidates memories, processes emotions, and plans for the future during dream states