The Tragedy of Julius Caesar is a tragedy by William Shakespeare, believed to have been written in 1599. It portrays the 44 BC conspiracy against the Roman dictator Julius Caesar, his assassination and the defeat of the conspirators at the Battle of Philippi. It is one of several plays written by Shakespeare based on true events from Roman history, which also include Coriolanus and Antony and Cleopatra. The play opens with two tribunes discovering the commoners of Rome celebrating Julius Caesar's triumphant return from defeating the sons of his military rival, Pompey. The tribunes, insulting the crowd for their change in loyalty from Pompey to Caesar, attempt to end the festivities and break up the commoners, who return the insults. During the feast of Lupercal, Caesar holds a victory parade and a soothsayer warns him to "Beware the ides of March", which he ignores. Meanwhile, Cassius attempts to convince Brutus to join his conspiracy to kill Caesar. Although Brutus, friendly towards Caesar, is hesitant to kill him, he agrees that Caesar may be abusing his power. They then hear from Casca that Mark Antony has offered Caesar the crown of Rome three times and that each time Caesar refused it with increasing reluctance. On the eve of the ides of March, the conspirators meet and reveal that they have forged letters of support from the Roman people to tempt Brutus into joining. Brutus reads the letters and, after much moral debate, decides to join the conspiracy, thinking that Caesar should be killed to prevent him from doing anything against the people of Rome if he were ever to be crowned. After ignoring the soothsayer, as well as his wife Calpurnia's own premonitions, Caesar goes to the Senate. The conspirators approach him with a fake petition pleading on behalf of Metellus Cimber's banished brother. As Caesar predictably rejects the petition, Casca and the others suddenly stab him; Brutus is last. At this point, Caesar utters the famous line "Et tu, Brute?"[2] ("And