The Night of Long Knives, also known as the Röhm Putsch, was the purge of the SA leadership and other political opponents from 30 June 1934 to 2 July 1934. Carried out primarily by the SS and the Gestapo, over 150 people were murdered and hundreds more were arrested.

On July 25, 1934, Austrian Nazis assassinated anti-Nazi Chancellor Engelbert Dollfuss during a failed coup attempt. The President's radio address on his departure from Honolulu, Hawaii on July 28, 1934.

July 13 – Hitler gives a speech to the Reichstag, justifying his purge. July 25 – July Putsch: Austrian Nazis assassinate chancellor Engelbert Dollfuss, during a failed coup attempt.

On December 29, 1934, Japan terminated its international naval treaties in order to grow their military fleet. Starting December 19, 1934 the Japanese formally gave notice that they intended to terminate the Washington Naval Treaty of 1922 and the London Naval Treaty of 1930.