Question

Which of the following was Hitler’s first violation of the Treaty of Versailles?
the German invasion of Poland
the German invasion of Czechoslovakia
the German invasion of the Rhineland
the German invasion of Manchuria

Answer 1

The German invasion (remilitarization) of the Rhineland. Hitler sent troops into the demilitarized Rhineland in March 1936, violating the Treaty of Versailles (and the Locarno Treaties) — before the later moves on Czechoslovakia (1938/39) and Poland (1939).