Abraham Lincoln is assassinated by John Wilkes Booth in Washington, D.C. and succeeded by Andrew Johnson
President Johnson is impeached by the House of Representatives and acquitted by the Senate
Ulysses S. Grant becomes the 18th president
Rutherford B. Hayes becomes the 19th president; he has the first telephone installed in the White House the following year
March 4: James Garfield becomes the 20th president
July 2: Garfield is shot in an attempted assassination
September 14: Garfield dies from his wounds and Chester Alan Arthur becomes 21st president
Grover Cleveland becomes the 22nd president
Benjamin Harrison becomes the 23rd president
Grover Cleveland is elected again and becomes the 24th president; he is the only president to serve non-consecutive terms
William McKinley becomes the 25th president
March 4: McKinley is inaugurated to a second term
September 6: McKinley is shot in an assassination attempt
September 14: McKinley is succeeded by Theodore Roosevelt
Theodore Roosevelt is inaugurated a second time
William Howard Taft becomes the 27th president
Helen Herron Taft, the First Lady, has 80 Japanese cherry trees planted along the Potomac River
Woodrow Wilson becomes the 28th president; he wins again in 1917
Wilson suffers a stroke and becomes incapacitated
Warren Gamaliel Harding becomes the 29th president
President Harding dies suddenly
Calvin Coolidge, the vice president, becomes the 30th president
Coolidge wins reelection and is inaugurated a second time
Herbert Hoover becomes the 31st president
Franklin Delano Roosevelt becomes the 32nd president
FDR wins reelection and is inaugurated a second time
FDR wins reelection and is inaugurated a third time, the first and only president to win a third term
January 20: FDR wins reelection and is inaugurated a fourth time
April 12: FDR dies of a stroke
Harry S. Truman, his vice president, becomes the 33rd president
Truman is inaugurated a second time
Dwight David Eisenhower becomes the 34th president
Eisenhower is inaugurated to his second term
John Fitzgerald Kennedy becomes the 35th president
JFK is assassinated in Dallas, Texas
Lyndon Baines Johnson, his vice president, becomes the 36th president
LBJ is inaugurated to his second term
Richard Nixon becomes the 37th president
Richard Nixon is inaugurated to his second term
Nixon's vice president, Spiro Agnew, resigns over charges of corruption and income tax evasion
Nixon nominates Gerald Rudolph Ford for vice president
Nixon resigns the presidency over Watergate
Gerald Ford becomes the 38th president
Ford fully pardons Nixon
Jimmy Carter becomes the 39th president
Ronald Reagan becomes the 40th president
Reagan is inaugurated to his second term
George Herbert Walker Bush becomes the 41st president
William Jefferson Clinton becomes the 42nd president
Clinton is inaugurated to his second term
The House of Representatives votes to impeach Clinton on charges of perjury and obstruction of justice
The Senate votes to acquit Clinton of impeachment charges
The election between Al Gore and George W. Bush results in no clear winner. More than a month after the presidential election, the U.S. Supreme Court rules against a manual recount of ballots in certain Florida counties.
George Walker Bush becomes the 43rd president.
George W. Bush is inaugurated to his second term.
Barack Hussein Obama becomes the 44th president. He is the first African American to hold the office and the first president born outside the continental United States.
Obama is inaugurated to his second term.
Donald John Trump becomes the 45th president.
Trump is impeached by the House of Representatives for abuse of power and obstruction of Congress.
Trump is acquitted by the Senate.
Trump loses reelection to Joe Biden and claims widespread election fraud.
As Congress convenes to certify election votes, Trump appears at a rally of his supporters. An insurrection at the Capitol happens shortly after, and members of Congress are forced into lockdown.
Trump is charged with incitement of insurrection and impeached by the House of Representatives for a second time. It is the most rapid impeachment in United States history; ten Republicans voted in favor of impeachment.
Joseph Robinette Biden Jr. becomes the 46th president.
The Senate acquits Trump after he has left office.