President Andrew Johnson was mainly impeached for obstructing Reconstruction

Presidents can be impeached for 'treason, bribery, or other high crimes and misdemeanors'

The Constitution empowers the House to impeach a president by a majority vote and the Senate to convict by a two-thirds vote. Three presidents—Andrew Johnson, Bill Clinton, and Donald Trump (twice)—were impeached, though none were removed from office.

'Presidential Reconstruction' attempted rapid reunification with minimal federal oversight

Led by Andrew Johnson after Lincoln's death, Presidential Reconstruction (1865-67) quickly restored Southern governments through mass pardons and lenient terms, allowing ex-Confederates to regain power and pass Black Codes that restricted freedpeople's rights.

Donald Trump was impeached in 2019 for abuse of power and obstruction of Congress

The House charged President Trump with pressuring Ukraine to investigate political rival Joe Biden while withholding military aid. The Senate acquitted him in February 2020, with only one Republican voting to convict.

Donald Trump was impeached a second time for incitement of insurrection after Jan. 6

Following the Jan. 6, 2021, Capitol attack, the House impeached Trump for inciting violence against the US government. The Senate acquitted him on Feb. 13, 2021. He is the only president who has been impeached twice.

Radical Reconstruction began in response to the lenient policies of Andrew Johnson

In 1867, Congress passed the Reconstruction Acts—overriding Johnson's vetoes—placing the South under military rule and requiring new state constitutions, Black male suffrage, and ratification of the 14th Amendment before readmission.

Andrew Jackson reshaped the presidency and expanded executive authority

Andrew Jackson used the veto extensively, removed federal deposits from the national bank, and asserted the president's right to act independently of Congress—shifting the balance of power toward the executive branch.

Bill Clinton was impeached in 1998 for perjury and obstruction of justice

The House impeached President Bill Clinton over charges related to his affair with White House intern Monica Lewinsky. The Senate acquitted him on both counts in 1999, allowing him to finish his second term in office.

The election of 1868 cemented power and support for Radical Reconstruction

In the first presidential election after the Civil War, Republican Ulysses S. Grant defeated Democrat Horatio Seymour. President Andrew Johnson, deeply unpopular with both parties, was denied renomination. Grant's victory reflected Northern support for Reconstruction.

Andrew Jackson was the first and only president to eliminate the national debt.

Congress can remove federal officials through impeachment

The United States House of Representatives has the sole power to impeach federal officials. The United States Senate then conducts impeachment trials and decides whether to convict and remove them from office.

Lincoln's original reconstruction vision prioritized reconciliation

Proposed in 1863, Lincoln's Ten Percent Plan offered lenient readmission for Southern states once 10% of voters pledged loyalty and ended slavery. It was adopted in a few Union-occupied areas but was only partially implemented before his assassination in 1865.

Read an annotated 1866 essay by abolitionist Frederick Douglass, where he laid out his vision for reshaping America after the Civil War.

The disputed 1876 Presidential election accelerated the end of Reconstruction

The 1876 election between Rutherford B. Hayes and Samuel J. Tilden ended in a deadlock over contested Southern votes. To resolve the crisis, Democrats accepted Hayes's presidency in exchange for the withdrawal of federal troops—formally ending Reconstruction.

Ford became the first and only president to pardon his predecessor

President Gerald Ford issued a "full, free, and absolute" pardon to Nixon on Sept. 8, 1974, covering any crimes committed between Jan. 20, 1969, and his resignation—effectively ending legal proceedings and making Nixon the first president ever pardoned by his successor.

In the midst of the Civil War, Lincoln rapidly expanded presidential power

Abraham Lincoln suspended habeas corpus, expanded the army without congressional approval, and issued the Emancipation Proclamation—despite likely lacking authority to unilaterally alter national slave law. His actions set precedents for expanded presidential power in wartime.

The Reconstruction Amendments aimed to rebuild the nation and secure freedom after slavery

Ratified between 1865 and 1870 after the conclusion of the war, the 13th, 14th, and 15th Amendments abolished slavery, guaranteed citizenship and equal protection, and extended voting rights to Black men—transforming the Constitution's definition of liberty and equality.

Thousands of Black men held local, state, and federal offices during Reconstruction

Between 1865 and 1877, more than 1,500 Black Americans served in local, state, and federal offices—including 16 in Congress. This unprecedented political participation largely ended after Reconstruction as Jim Crow laws and racial violence suppressed Black voting.

John Marshall presided over Aaron Burr's 1807 treason trial

During the 1807 trial of former Vice President Aaron Burr, Marshall required proof of an overt act witnessed by two people to sustain a treason charge. His rulings limited executive influence and reinforced constitutional standards for conviction under Article III.

The South was placed under federal military rule during Reconstruction

Beginning in 1867, the Reconstruction Acts divided 10 former Confederate states into five military districts, each governed by a Union general. Federal troops supervised elections, enforced civil rights, and maintained order under direct congressional authority.

Presidents can veto laws—and Congress can override them

A president may veto legislation passed by Congress, but a two-thirds vote in both the House and Senate can override it. For most presidents, only a small share of their vetoes have been successfully overturned.

Abraham Lincoln's victory in 1860 sparked Southern secession—even before his inauguration

Abraham Lincoln's election on an antislavery expansion platform convinced many Southerners that their way of life was under threat. Within three months, seven states seceded from the Union—forming the Confederacy—before Lincoln took office in March 1861.

The 13th Amendment permanently abolished slavery in the United States

Ratified in December 1865, the 13th Amendment outlawed slavery nationwide except as punishment for a crime. Southern states were required to ratify it under President Andrew Johnson's initial Reconstruction plan before regaining representation, though Congress later imposed stricter conditions.

Ulysses S. Grant's leadership proved decisive in victory—and shaped postwar America

Elevated to general-in-chief in 1864, Ulysses S. Grant unified the Union strategy and forced a Confederate surrender at Appomattox. Elected president in 1868, he worked to enforce Reconstruction laws and protect the civil rights of freed African Americans.

Since 1800, every president has lived and worked in the White House

John Adams became the first president to live in the White House when it was completed in 1800. Since then, every American president has used it as both a residence and the official seat of executive power.

The Indian Removal Act of 1830 forcibly displaced tens of thousands of Native Americans

Signed by President Andrew Jackson, the act authorized the federal government to negotiate treaties relocating Native nations from their Southeastern homelands to lands west of the Mississippi, often by force.

The nullification crisis tested whether states could defy federal law

In the 1830s, South Carolina declared federal tariffs void within its borders. President Andrew Jackson threatened military force, Congress passed a compromise tariff, and the episode ended with federal authority prevailing over state nullification.

Abraham Lincoln received only 40% of the popular vote in the 1860 election, highlighting the deep divisions in the country on the eve of the Civil War.

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.

Hear the stories of Black congressmen who served during Reconstruction

This podcast explores the Black congressmen of the 1870s, like Hiram R. Revels and Joseph Rainey, many of whom were born into slavery and symbolized the hope of a more racially equal post-Civil War America.

Gerald Ford is the only president never elected to the office

Ford's ascent to the nation's highest office was a direct consequence of the unprecedented political upheaval caused by the Watergate scandal. Initially appointed vice president in October 1973 after Spiro Agnew's resignation, Ford assumed the presidency less than a year later, in August 1974, following Richard Nixon's resignation.

Watch President Nixon's resignation speech

With impeachment looming, President Richard Nixon gave a televised Oval Office address. Watch this famous address in which Nixon announced his resignation due to the Watergate scandal—becoming the first and only president to resign from office.

The White House reconstruction after its burning took only three years

After the 1814 fire, its original architect, James Hoban, oversaw reconstruction. Hoban reused some original sandstone walls, and timber replaced brick in interior partitions—a time-saving shortcut that weakened the structure, ultimately requiring another near-complete rebuild in 1948.

A single 1803 Supreme Court case, Marbury v. Madison, gave courts the power to strike down acts of Congress.

The president can deploy the military domestically with minimal oversight

The Insurrection Act of 1807 allows the president to send federal troops into American states during unrest or rebellion, even without a governor's consent. The modern use of the law grants broad discretion and limited congressional or judicial oversight.

Congress selected the president in 1801 and 1825

In a contingent election, the United States House of Representatives is constitutionally required to choose the president, with each state delegation casting one vote when no candidate secures a majority of the electoral votes.

Congress's Wade-Davis Bill demanded harsher terms for Southern reentry

Passed in 1864, the Wade-Davis Bill required 50% of white male voters to swear loyalty and guarantee emancipation before readmission. Lincoln pocket-vetoed it, rejecting Congress's stricter approach.

The 22nd Amendment set a 2-term limit on the presidency

Ratified in 1951, the amendment states that no person may be elected president more than twice. It also specifies that a vice president who assumes office midterm may serve up to 10 years in total.

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.

See some of the most controversial pardons in presidential history

From Lincoln's selective commutations of Dakota men after an 1862 uprising, to Ford's pardon of Richard Nixon after Watergate, and Bill Clinton's final-day clemency decisions, pardons have long sparked fierce debate over justice, political favoritism, and presidential power.

Experience famous images from the Watergate scandal, the defining US political crisis of the early 1970s

Explore the life and presidency of George Washington, whose two terms in office were defined by precedent-setting, restraint, and institution-building.

As the first president, Washington established lasting norms: enforcing civilian control of the military rather than placing it in the hands of generals, forming a Cabinet, asserting federal authority during the Whiskey Rebellion, and voluntarily stepping down after two terms.

The 22nd Amendment was a reaction to Roosevelt's four terms

After Franklin D. Roosevelt won four elections, Congress moved to prevent future presidents from holding power indefinitely. Ratified in 1951, the 22nd Amendment set a firm two-term limit as a safeguard against extended presidencies.

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 end of Reconstruction paved the way for Jim Crow segregation

After federal troops withdrew in 1877, white Democrats regained control of Southern governments, dismantled Reconstruction reforms, and imposed segregation laws. By the 1890s, Jim Crow statutes had entrenched racial discrimination and Black disenfranchisement across the South.

See the presidents with the most vetoes

Franklin D. Roosevelt issued a record 635 vetoes—more than twice as many as any other president. Other frequent users include Grover Cleveland (584), Harry Truman (250), and Dwight Eisenhower (181), reflecting long tenures, divided government, high legislative output, and assertive executive leadership.

Hamilton's endorsement helped win Jefferson the presidency

In the 1800 presidential election, neither candidate won a majority in the Electoral College, sending the decision to the House of Representatives. After 36 failed votes, Alexander Hamilton lobbied for his ideological rival, Thomas Jefferson, over Aaron Burr, helping break the deadlock.

Future President Abraham Lincoln challenged Polk’s justification for war with Mexico

As a freshman congressman, Abraham Lincoln introduced the “Spot Resolutions,” demanding President Polk prove that Mexico had attacked on US soil. This constituted Lincoln’s first major political stand and highlighted growing dissent over the war.

The Prize Cases established that the president can respond to an attack without waiting for Congress to act

When Lincoln blockaded Confederate ports at the start of the Civil War without congressional authorization, the Supreme Court upheld his actions, ruling that a president does not initiate war by responding to an attack and need not wait for Congress when the nation is already under threat.

The 25th Amendment clarified presidential succession and disability after JFK's assassination

Ratified in 1967, the 25th Amendment established procedures for replacing a vice president and transferring power when a president is incapacitated. It was designed to prevent leadership crises like those exposed after President Kennedy's death.

Woodrow Wilson revived the in-person State of the Union in 1913

President Wilson became the first president since John Adams to deliver the State of the Union in person. He is credited with transforming the speech from a routine update into a public tool for advancing the president's legislative agenda.