Johnson is selected as Lincoln's running mate in an effort to balance the Union ticket. 
March 4, 1865
Johnson is inaugurated as Vice President.
April 15, 1865
Following Lincoln's assassination, Johnson succeeds to the Presidency, just days  after the end of the Civil war. 
December, 1865
When the Congress reconvenes (for the first time since Lincoln's death), the  Republicans refuse to seat congressmen from rebel states.
Throughout the year, Johnson's power and influence decline.  The popular vote is clearly  in support of the Radical Republican method of reconstruction. 
Washington's Birthday 
Johnson makes a speech denouncing two of the leading radical  republicans, Senator Charles Sumner and Representative Thaddeus Stevens. In the speech  he refers to the Republicans as "disunionists." 
February, 1866
Johnson vetoes the Freedmen's Bureau Bill (which is later passed over his veto). 
April, 1866
Johnson vetoes the Civil Rights Bill (which was also passed over his veto). 
May, 1866
Race riot in Memphis.
July 30, 1866
Race riot in New Orleans.
February, 1867
Congress passes the Tenure of Office Act  prohibiting the President from  dismissing any officer confirmed by the Senate without Senate approval. The Act is intended primarily to keep Edwin Stanton, Secretary of War, in his post.   Stanton, a holdover from the Lincoln cabinet is sympathetic to the causes of the Radical Republicans.
March, 1867
The Radical Republicans effect their own plan of reconstruction, again placing the  southern states under military rule. 
August 12, 1867
With the Congress not is session, Johnson temporarily suspends Secretary of War Edwin M. Stanton, and replaces him with war hero Ulysses S. Grant.
January, 1868
On January 13, the Senate refuses to concur in the suspension of Edwin Stanton by a vote of 35 to 16. Grant returns his office to Stanton. The President then formally dismisses Stanton as Secretary of War and replaces him with Lorenzo Thomas. 
February 24, 1868 
Accusing Johnson of violating the tenure of Office Act, the House approves an impeachment resolution by a vote of 126-47. 
March 30, 1868
The impeachment trial of Johnson begins in the Senate. 
May 16, 1868
The Senate votes on the 11th Article of Impeachment and is one vote short of the  2/3 majority needed to impeach the President. 
May 26, 1868
Another vote is taken in the Senate on the 2nd and 3rd Articles of Impeachment  and Johnson is again acquitted. The trial is over. 
March 4, 1869
Johnson leaves office after finishing the remainder of his term as President. 
July 31, 1875
Johnson dies at his daughter's house after suffering a stroke. 
The  Tenure of Office Act is repealed at the urging of President Grover Cleveland.

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