On March 11-13 1938, German troops invaded Austria and incorporate Austria into German territory in what is known as the Aeschylus
Hitler signs the Non-Aggression pact with the Soviet Union
On September 20-30, 1938 the leaders of Britain, France, Italy, and Germany held a conference in Munich Germany and they agreed on annexinging the Sudetenland in exchange for a pledge of peace from Hitler.
Hitler invades Poland
On March 15, 1939, Nazi Germany invaded and occupied the Czech territory of Bohemia and Moravia in the rump Czechoslovak state.
Great Britain and France declare war on Germany
Nazi, Germany, SOviet Union all signed a pact that states they will take no military action against each other for the next 10 years.
Poland was invaded by Nazi Germany on September 1 1939 and by the Soviet Union on September 17.
Great Britain, and France declare war on Germany. Two days earlier on September 1, 1939, Germany had invaded Poland