Adolf Hitler was a German politician who served as the Chancellor of Germany from 1933 to 1945. He is best known for his role in leading Germany to its defeat in World War II, and for his policies that led to the Holocaust, the systematic persecution and murder of millions of Jews and other minority groups.

Hitler rose to power in 1933, when he became Chancellor of Germany after his political party, the Nazi Party, won a narrow victory in national elections. He immediately began implementing policies that aimed to "rebuild" Germany and restore its pride and power, including rearmament and expansionist foreign policy. However, these policies quickly led to tensions with other countries, particularly France and Great Britain.

In 1938, Hitler annexed Austria into the Reich in the Anschluss, a union that was widely supported by Austrians. This event marked the beginning of Hitler's aggressive expansionism, which would ultimately lead to World War II. In 1939, Germany invaded Poland, and France and Great Britain responded by declaring war on Germany. Hitler responded to the outbreak of war with a series of military conquests that quickly overwhelmed much of Europe.

However, his ambitions eventually led to his downfall. In 1945, German forces were defeated by Allied forces in a series of battles, and Hitler committed suicide in his bunker in Berlin as Soviet troops closed in on the city. Hitler's legacy is one of the most divisive in history. While some people see him as a hero who saved Germany from economic collapse and humiliation, others view him as a monster who caused immeasurable suffering and destruction.

Hitler's policies of racial purity and persecution led to the deaths of millions of Jews, homosexuals, Romani people, disabled individuals, and other minority groups. His legacy continues to be felt today, and his name is still associated with hatred and bigotry around the world.