Hitler became the dictator of Nazi Germany, started World War II in Europe, and directed a regime responsible for the Holocaust and mass murder on an unprecedented scale.

What Did Hitler Do? (Quick Scoop)

From Politician to Dictator

  • Adolf Hitler was an Austrian-born German politician who led the Nazi Party.
  • He became chancellor of Germany in 1933 and then merged the offices of president and chancellor in 1934, ruling as a totalitarian dictator (FĂźhrer) until his death in 1945.
  • Once in power, he quickly dismantled democracy, banned opposition parties, censored the press, and used terror, prisons, and executions to silence critics.

Core Ideology and Racism

  • Hitler promoted an extreme, racist form of nationalism built around the supposed superiority of an “Aryan” race and the inferiority of Jews and other groups.
  • In his book Mein Kampf , he laid out plans for a racial dictatorship, territorial expansion, and the removal—ultimately the extermination—of Jews, whom he depicted as “poisoners” or “parasites”.
  • His regime targeted Jews, Roma and Sinti, people with disabilities, homosexuals, political opponents, and others he labeled “asocial” or “subhuman”.

Starting World War II

  • Hitler rebuilt Germany’s military in open violation of the Treaty of Versailles and pursued aggressive expansion across Europe.
  • In 1938–1939, he annexed Austria (Anschluss) and forced Czechoslovakia to surrender the Sudetenland.
  • On 1 September 1939, he ordered the invasion of Poland, prompting Britain and France to declare war and beginning World War II in Europe.

The Holocaust and Mass Murder

  • Under Hitler’s leadership, the Nazi regime carried out the Holocaust: the systematic genocide of about six million Jews.
  • Millions of others—Roma and Sinti, disabled people, Soviet prisoners of war, Polish civilians, political prisoners, and more—were also murdered or died through starvation, forced labor, and massacres.
  • Historians estimate that Nazi policies under Hitler were responsible, directly or indirectly, for tens of millions of civilian and military deaths in Europe, making it the deadliest conflict in history.

War, Collapse, and Death

  • Hitler personally directed many military decisions, especially on the Eastern Front, including the invasion of the Soviet Union in 1941 and later declarations of war on the United States.
  • As the war turned against Germany and Allied forces closed in, he retreated to a bunker in Berlin.
  • In April 1945, with Germany facing defeat, he married Eva Braun and then died by suicide in his bunker; his regime collapsed shortly afterward.

Why Hitler Is Remembered Today

  • Historians often describe Hitler as a symbol of modern political evil because of the scale of destruction, racism, and genocide his rule unleashed.
  • His actions still shape discussions about dictatorship, propaganda, hate-based politics, and the dangers of unchecked power.

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