Othello and questions the men as to what happened. Othello blames Cassio for the disturbance and strips him of his rank. Cassio is distraught. Iago persuades Cassio to ask Desdemona to convince her husband to reinstate Cassio. Iago now persuades Othello to be suspicious of Cassio and Desdemona. When Desdemona drops a handkerchief (the first gift given to her by Othello), Emilia finds it, and gives it to her husband Iago, at his request, unaware of what he plans to do with it. Othello reenters and vows with Iago for the death of Desdemona and Cassio, after which he makes Iago
Othello is the model for Shakespeare's Othello, but some researchers believe the poet also took inspiration from the several Moorish delegations from Morocco to Elizabethan England "circa" 1600. Another possible source was the "Description of Africa" by Leo Africanus. The book was an enormous success in Europe, and was translated into many other languages, remaining a definitive reference work for decades (and to some degree, centuries) afterwards. An English translation by John Pory appeared in 1600 under the title "A Geographical Historie of Africa, Written in Arabicke and Italian by Iohn Leo a More..." in which form Shakespeare may have seen