Othello his lieutenant. Act III, scene iii is considered to be the turning point of the play as it is the scene in which Iago successfully sows the seeds of doubt in Othello's mind, inevitably sealing Othello's fate. Iago plants the handkerchief in Cassio's lodgings, then tells Othello to watch Cassio's reactions while Iago questions him. Iago goads Cassio on to talk about his affair with Bianca, a local courtesan, but whispers her name so quietly that Othello believes the two men are talking about Desdemona. Later, Bianca accuses Cassio of giving her a second-hand gift which he had received from
Othello it and reworked hints in creating the character of Othello. While supplying the source of the plot, the book offered nothing of the sense of place of Venice or Cyprus. For knowledge of this, Shakespeare may have used Gasparo Contarini's "The Commonwealth and Government of Venice", in Lewes Lewkenor's 1599 translation. The earliest mention of the play is found in a 1604 Revels Office account, which records that on "Hallamas Day, being the first of Nouembar ... the Kings Maiesties plaiers" performed "A Play in the Banketinghouse at Whit Hall Called The Moor of Venis." The work is attributed to