- 
  
  
 - 
  
  Woodrow Wilsons presidency term
 - 
  
  Start of ww1
 - 
  
  First biplane fighter plane is used
 - 
  
  Germanies first use of chemical weapons
 - 
  
  Lusitania sunk by German u boat
 - 
  
  Rankin enters congress
 - 
  
  Lenin leads a russian revolution
 - 
  
  Ssa is begins
 - 
  
  Espionage act begins
 - 
  
  Flu is spread worldwide
 - 
  
  Wlsons 14 points is created
 - 
  
  sedition act is enacted
 - 
  
  Chemical Warfare is created
 - 
  
  End of ww1
 - 
  
  Rejection of the league of nations membership
 - 
  
  Shenk vs. US begins
 - 
  
  Court rules and case is closed
 - 
  
  Treaty of versailles is rejected
 - 
  
  flu epidemic end
 - 
  
  19th amendment is added
 - 
  
  Woodrow Wilsons presidency term
 - 
  
  lasts until 1939
 - 
  
  end of the great migration
 -