Cae ‧ sar, Ju ‧ li ‧ us /ˈsiːzəʳ, ˈdʒuːliəs/ BrE AmE
(100–44 BC) a Roman politician, military leader, and writer, who took control of the government of Rome and changed it from a ↑ republic to an ↑ empire , making himself the first Roman emperor. For this reason, he was murdered by Brutus and Cassius, and Shakespeare wrote a play called Julius Caesar which describes these events. He is also known as the first Roman leader to attack Britain.