1834: The term "Nationalsozialismus" first appears in print, in Börsenblatt für den deutschen Buchhandel (Exchange tables for the German book trade) on page 36.
1841: German economist Friedrich List's Das Nationale System der Politischen Ökonomie (National System of Political Economy) is published, espousing settlement farming and agricultural expansion eastwards along with economic industrialization manipulated by the state, and the establishment of a German-dominated European economic sphere as part of the solution to Germany's economic woes (predecessor ideas to Nazi imperialism).
1856: French aristocrat and author, Arthur de Gobineau, publishes his An Essay on the Inequality of the Human Races in which he divides the human species into three races, black, white, and yellow; arguing therein that racial distinctions form a clear and natural genetic barrier of sorts. Gobineau wrote that racial mixing would lead to chaos. While not an anti-Semite, his work is often characterized as philosemitic (since he wrote positively about the Jews), but it is still considered an early manifestation of scientific racism. Historian Joachim C. Fest, in his biography of Hitler, claims that Arthur de Gobineau's negative views on race mixing influenced Hitler and thereby, the ideology of National Socialism.
1870: The term "National Socialism" first appears in English, in "The sects of the Russian Church", The North British Review, Volumes 52-53.
1878: Founding year of the anti-Semitic Christian Social Worker's Party by Adolf Stoecker.
1884: "National Socialism" is mentioned in "Fabian Tracts", Fabian Publications, Great Britain.
1888: German jurist and international law reformer, Franz von Liszt argues that criminal characteristics are innate as opposed to being determined by a person's social environment and coins the term, Kriminalbiologie (Criminal Biology), a theory which renders criminals incapable of rehabilitation and would later influence Nazi anthropologists and racial hygiene proponents in their justification for sterilization and euthanasia.
1891: Formation of Pan-German League ; Wilhelm Schallmayer publishes a treatise on eugenics, espousing that the neglect of a nation's racial fitness could have negative political consequences for a state.
1895: Alfred Ploetz coins the term Rassenhygiene (Racial Hygiene).
2 August: Adolf Hitler receives permission to enlist; joins the 16th Bavarian Reserve Infantry Regiment in Munich
30 October: Adolf Hitler is transferred to regimental staff as a runner.
1 November: Adolf Hitler is promoted to Gefreiter, the equivalent of a senior private or corporal.
Eugenicist Madison Grant publishes, The Passing of the Great Race which promotes the genetic supremacy of the Nordic race while warning of its racial decline, a treatise quickly embraced by members of the German racial hygiene movement.
7 November: 100,000 workers march on the Royal House of Wittelsbach. Kaiser Wilhelm II flees.
8 November: All 22 of Germany’s lesser kings, princes, grand dukes, and ruling dukes have been deposed. Kaiser Wilhelm told to abdicate.
9 November: Emil Eichhorn, radical leftist of the Independent Socialists, leads an armed mob and seizes the HQ of Berlin; Kaiser Wilhelm consents to abdicate; Social Democrats demand government from Prince Max; Friedrich Ebert assumes the chancellery; First German Republic established.
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.
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 audiences—Hitler 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 "Der Führer" (The Leader).
August 1921: NSDAP party membership was recorded at 3,300.
The Prussian State Health Commission for Racial Hygiene (Preussischer Landesgesundheitsrat für Rassenhygiene) works to centralise the institute's research concerning the practical application of racial hygiene, eugenics and anthropology.
12 January: Adolf Hitler sentenced to three months for disturbance of 14 September 1921.
28 February: Hitler awarded emergency powers under the presidential decree, Law for the Protection of People and State ("Reichstag Fire Decr ("coordination"), the process of exerting totalitarian control over Germany, begins. Over the next five months, the Nazis systematically force all opposition political parties to shut down.
5 March: General Elections result in slim majority of Hitler's coalition, though not a majority for the Nazi Party.
24 March: Enabling Act, passed with help of Catholic Center Party, effectively hands the legislative powers of the Reichstag over to the Chancellor. Act permits Chancellor and cabinet to issue laws without a vote of Parliament and to deviate from the Constitution.
1 April: One day boycott of Jewish shops. Himmler is appointed police commander of Bavaria.
7 April: "Law for the Restoration of the Professional Civil Service" - Jewish and Communist inclined workers from the Civil Service purged, around 5% removed in total. Nazi governors appointed to rule the German states. End of federalism. Papen resigns as Reich Commissioner of Prussia.
30 November: The secret state police organization known as the Gestapo, which had only previously existed in Prussia is given authority throughout Germany.
November: As part of the Rauschgiftbekämpfung ("war on drugs"), the Reichstag passes a law allowing the imprisonment of drug addicts for up to two years, a period that could be extended indefinitely by legal decree.
Fall: Hitler reveals to his close associates a plan to annex Western Poland and create a ring of puppet states around Germany without any policies of their own
11 April: Pact of the Deutschland: Hitler persuades the top officials of the army and navy to back his bid to succeed Hindenburg as president, by promising to "diminish" the three-million-man plus SA and greatly expand the regular army and navy.
20 April: Gestapo is transferred from Göring to Himmler & Heydrich, who begin to integrate it into the SS.
16 May: German officer corps endorses Hitler to succeed the ailing President Hindenburg.
30 June - 2 July: Night of the Long Knives or Blood Purge: On pretext of suppressing an alleged SA putsch, much of the brownshirt leadership (i.e. Ernst Röhm) are arrested and executed. Schleicher and other political enemies are murdered. Papen briefly imprisoned; between 150 and 200 were killed. The SS, formerly part of the SA, now comes to the forefront.
13 July: Defending the purge, Hitler declares that to defend Germany he has the right to act unilaterally as "supreme judge" without resort to courts.
2 August: President Hindenburg died. The previous day, the cabinet had enacted the "Law Concerning the Highest State Office of the Reich". This law stated that upon Hindenburg's death, the office of president would be abolished and its powers merged with those of the chancellor. The decree is illegal but goes unchallenged. The army swear oath to Hitler.
^Majer, Diemut (2003). Non-Germans under the Third Reich: The Nazi judicial and administrative system in Germany and occupied Eastern Europe with special regard to occupied Poland, 1939—1945. JHU Press. pp. 188–9. ISBN0-8018-6493-3.