Versailles). Weimar Republic 1919 12 August 1919: The Weimar Constitution is announced. 12 September 1919: Adolf Hitler attends a meeting of the German Workers' Party (DAP) in the Sterneckerbräu in Munich and joins the party as its 55th member. In less than a week, Hitler received a postcard stating he had officially been accepted as a party member. 16 October 1919: Hitler's first pre-arranged public speech as a member of the DAP takes place in the Hofbräukeller. Late fall: Freikorps fight the Red Army in the Baltic, eventually retreat in chaos; first Silesian uprising, in which many Freikorps see combat. 1920 Many Freikorps were disbanded. Some go underground, to reappear later. January: The DAP grows to 190 members. February: Inter-Allied Control Commission order 2/3 of Freikorps disbanded. 24 February: DAP changes its name to National Socialist German Workers' Party (NSDAP). The party announces its programme in the Hofbräuhaus, known as the "25 points." 13 to 17 March: Kapp Putsch 31 March: Adolf Hitler mustered out of the army. April: Government stops paying Freikorps units. 3 April: 21 different Freikorps units, under the command of General Baron Oskar von Watter, annihilate the Ruhr Uprising in five days; thousands killed. 10 May: Dr. Joseph Wirth and Walter Rathenau announce their "Policy of Fulfillment"; not received well by nationalist groups. 8 August: Official founding date of the NSDAP 11 August: National Disarmament Law takes effect; disbands civil guards. 19 to 25 August: Second Silesian uprising, German Freikorps see more combat. 17 December: NSDAP buys its first paper, the Völkischer Beobachter. 31 December: NSDAP party membership was recorded at 2000. 1921 Third Silesian uprising; German forces see more combat. Hermann Erhardt forms Organisation Consul, a paramilitary group, out of former members of his banned Freikorps. Eugen Fischer, Erwin Baur, and Fritz Lenz publish the standard work of German racialism, Menschliche Erblichkeitslehre und Rassenhygiene (Human Hereditary Teaching and Racial Hygiene), a work which later helps form part of the scientific basis to the Nazi racial hygiene policies and their euthanasia campaign. February 1921: highly effective at speaking to large audiencesHitler spoke to a crowd of over 6,000 in Munich. 28 July: Adolf Hitler is elected Vorsitzender (chairman) of the NSDAP with only one dissenting vote. Executive Committee of the party is dissolved. Party Founder Anton Drexler is made "Honorary Chairman" and resigns from the party soon after. Hitler soon begins to refer to himself as