Short answers, pulled from the story.
Adolf Hitler was appointed Chancellor of Germany on the 30th of January 1933. This event marked the beginning of the Nazi regime and the transformation of the nation into a totalitarian dictatorship.
The Enabling Act passed on the 23rd of March 1933 granted Hitler the power to pass laws without the consent of the president or the Reichstag. By the 14th of July 1933, the Law Against the Formation of Parties made Germany a one-party state by banning all remaining political parties.
The Einsatzgruppen mobile death squads murdered more than two million people, including 1.3 million Jews. The regime also killed 19,000 Romani people at Auschwitz and over 400,000 individuals through compulsory sterilization under the Law for the Prevention of Hereditarily Diseased Offspring.
World War II in Europe began with the invasion of Poland on the 1st of September 1939. Britain and France declared war two days later after Germany invaded Poland.
Adolf Hitler and his wife Eva Braun committed suicide on the 30th of April 1945 when Soviet troops were within two blocks of the Reich Chancellery. General Helmuth Weidling unconditionally surrendered Berlin to Soviet General Vasily Chuikov on the 2nd of May 1945.