- 
  
   Samuel Morse began working on his version of the telegraph Samuel Morse began working on his version of the telegraph
- 
  
   Samuel Morse invented morse code in 1835 Samuel Morse invented morse code in 1835
- 
  
   Samuel Morse invented the first electrical telegraph in 1837 Samuel Morse invented the first electrical telegraph in 1837
- 
  
   Samuel Morse built a telegraph system from Washington D.C. to Baltimore. Samuel Morse built a telegraph system from Washington D.C. to Baltimore.
- 
  
   The first telegraph message was sent. "What hath God Wrought." The first telegraph message was sent. "What hath God Wrought."
- 
  
  New telegraph companies built lines to connect the biggest cities in the Northeast.
- 
  
  In 1857 the six companies formed a cartel to help each company control a different region.
- 
  
  Abraham Lincoln was the first president to use the telegraph. He also used the telegraph in the civil war.
- 
  
   A telegraph company Western Union operated on 44,000 miles of wire and was worth about 10 million dollars. A telegraph company Western Union operated on 44,000 miles of wire and was worth about 10 million dollars.
- 
  
   A form of automatic transmission was made. This made the message transmission much faster. A form of automatic transmission was made. This made the message transmission much faster.
