Austrian-born Adolf Hitler, known as “der Führer,” from 1921 led the Nazi party of Germans with Mein Kampf, which from 1925 to 1927 embodies his fascist philosophy, which attracted widespread support; from 1933 served as chancellor of the Third Reich; after 1934 ruled as an absolute dictator; pursued aggressive nationalist policies; resulted in the invasion of Poland in 1939 and the subsequent outbreak of World War II as his infamous regime exterminated millions of persons, especially Jews of Europe; and with the imminent collapse, took his own life in 1945.
For role in a plot to assassinate Adolf Hitler, people executed Dietrich Bonhoeffer.
Adolf Hitler rose to power as the leader and then the title. He initiated conflict on 1 September 1939. Military operations closely involved him, who centrally perpetrated the genocide of millions of other victims. He committed his suicide.
A really fascinating read if you're seriously curious about the gentleman, from the mundane notes to his illusions of grandeur. A unique insight, and of considerable historical value to boot.
Considering that you read this objectively and compare it with how the things he predicted often seem to come true, it is a very interesting observation.