Short answers, pulled from the story.
Benito Amilcare Andrea Mussolini was born on the 29th of July 1883 in Dovia di Predappio, a small town in the province of Forlì. His father Alessandro worked as a blacksmith and held the office of deputy mayor of Predappio.
On the night between the 27th and the 28th of October 1922 about 30,000 Fascist blackshirts gathered in Rome demanding resignation of liberal Prime Minister Luigi Facta. King Victor Emmanuel III refused martial law request leading to Facta's resignation and handed power to Mussolini who stayed in Milan headquarters during talks.
Mussolini progressively dismantled constitutional restraints between 1925 and 1927 building a police state while local autonomy was abolished with podestàs appointed by Senate replacing elected mayors and councils. He became no longer responsible to Parliament removable only by King after a truculent speech before Chamber on the 3rd of January 1925 taking responsibility for squadristi violence.
Benito Mussolini and mistress Clara Petacci attempted flee Switzerland but were captured by communist partisans and executed on the 28th of April 1945. This occurred when Allied victory was imminent and he tried to escape with his mistress.