As a member of Röhm's paramilitary unit, Heinrich Himmler was involved in the Beer Hall Putsch—an unsuccessful attempt by Hitler and the NSDAP to seize power in Munich. This event would set Himmler on a life of politics.
Source: Wikipedia
Rudolf Hess joined the NSDAP on 1 July 1920, and was at Hitler's side on 8 November 1923 for the Beer Hall Putsch, a failed Nazi attempt to seize control of the government of Bavaria.
Source: Wikipedia