-
Period: to
19th Century (1900-1939)
-
Platt Amendment Created
-
Theodore Roosevelt takes office
-
Hay-Pauncefote Treaty Created
-
Theodore Roosevelt implements the Big Stick Policy
-
Alaskan Boundary Treaty created
-
William H. Taft takes office
-
Mexican revolution causes hundreds of refugees to flee to America
-
Woodrow Wilson takes office
-
Assassination of Archduke Franz Ferdinand of Austria
-
world war 1 begins
-
RMS Lusitania torpedoed and sunk
-
Pancho Villa raid into america
-
Zimmerman Telegram
-
Wilson states his "Fourteen Points"
-
allies begin intervention in the russian civil war
-
world war 1 ends
-
Versailles treaty signed
-
league of nations proposed
-
Warren Harding takes office
-
Washington Naval Conference
-
Calvin Coolidge takes office
-
Naval Disarmament Conference in Geneva (failure to reach an agreement)
-
Kellogg–Briand Pact
-
Herbert Hoover takes office
-
Stimson Doctrine
-
Franklin D. Roosevelt takes office
-
London Economic Conference
-
Neutrality Acts of 1935
-
Neutrality Act of 1936
-
Neutrality Act of 1937
-
Munich Agreement reached
-
World War 2 Begins
-
Neutrality Act of 1939