sentences:  Finally, Caesar took supreme power and was appointed Dictator for life over the Roman Republic.Caesar's career was cut short by his assassination at Rome in 44 BC by a group of Senators including Marcus Junius Brutus, the descendant of the Brutus who expelled the Etruscan King four and half centuries before.After Caesar's assassination, his friend and chief lieutenant, Marcus Antonius, seized the last will of Caesar and using it in an inflammatory speech against the murderers, incited the mob against them.