- 
  
  Berlin splits with the Soviet Union Getting the east while the Allies got the west.
- 
  
  Defense is put up by soviets on border between west and east Germany.
- 
  
  A Inter-zone pass is required to travel between borders.
- 
  
  Both sides of Berlin had different types of money based on the country that got that side.
- 
  
  Airlifts with supplies are occasionally sent to Berlin.
- 
  
  The airlifts to Berlin stop.
- 
  
  Borders between Germany and Berlin are closed.
- 
  
  People are not allowed to leave east Germany without permission.
- 
  
  The border between east and west Berlin is closed.
- 
  
  The Brandenburg gate is closed.
- 
  
  All paths to east Berlin are closed to west Berlin citizens.
- 
  
  President Kennedy visits Berlin and says he is a berliner.
- 
  
  West Berlin citizen is able to go to east Berlin.
- 
  
  An agreement between the four powers that got Berlin makes it easier for citizens of west Berlin to go to east Berlin.
- 
  
  President Ronald Reagan visits Berlin and asks the Soviet Union's leader to get rid of the Berlin wall.
- 
  
  Hungary opens boarders to east German refugees.
- 
  
  German government resigns.
- 
  
  Berlin wall is opened.
- 
  
  Brandenburg gate is opened.
- 
  
  Germany is reunited.
