- 
  
  
- 
  
  Thomas Jefferson doubles the size of the US with this purchase
- 
  
  
- 
  
  On this date, South Carolina became the first state to secede from the Union.
- 
  
  On this date, at Fort Sumter, the first shots of the war were fired.
- 
  
  On this day, Abraham Lincoln gave a speech to rally the North and to remind them what they were fighting for.
- 
  
  
- 
  
  On this day, Robert E. Lee surrendered to Ulysses S. Grant, ending the Civil War.
- 
  
  On this date, John Wilkes Booth shot President Lincoln in a theater.