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
Desdemona as "Othello" and out of character for Desdemona. Today, however, the purpose of the passage is sometimes viewed as a depiction of Desdemona's awareness of the way of the world, and her persistence in pursuing the exchanges as a characteristic innocent overconfidence displayed elsewhere in the play (3.3.41–83, 3.4.90ff). On 8 December 1660, Thomas Killigrew's new King's Company acted "Othello" at their Vere Street theatre, with Margaret Hughes as Desdemona – possibly the first time a professional actress appeared on a public stage in England. She played Desdemona in the performance of "Othello" seen by Samuel Pepys on 6 February