Answer:
1936
Hitler moves troops into the Rhineland, ignoring restrictions of the Versailles Treaty.
1937
Hitler sends his army to Austria and annexes it, ignoring restrictions against Anschluss in the Treaty of Versailles.
1938
During the Munich Conference, Britain and France agree that Hitler can take the Sudetenland against the wishes of Czechoslovakia. Hitler pledges to respect the new borders of Czechoslovakia.