The notable ones include -
-The execution of Robert Blum in 1848, marking the beginning of the end of the 1848-49 German Revolutions.
-Proclamation of the end of the monarchy, 1918.
-The attempted Beer Hall Putsch of the Nazis, 1923, the failure of which would lead Hitler to aim for a democratic victory.
-The antisemetic pogrom Kristallnacht, 1938, that many see as the start of the Holocaust.
-The fall of the Berlin Wall, 1989.