Bianca (Othello) request. Midway through 4.1., and prior to Bianca's entrance, Othello has been secretly observing a bawdy discussion between Iago and Cassio about the latter's sexual exploits with a young woman. Thanks to Iago's impeccable planning (and some bad luck), neither speaker mentions the name of the woman in question; it is in fact Bianca, but Othello tragically assumes it to be his wife, Desdemona. Bianca suddenly enters, and her suspicions of Cassio are even greater than before. She is convinced that the handkerchief belongs to another woman, and throws it contemptuously at Cassio's feet. In Othello's eyes, her apparent jealousy
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