premise: Caesar was performed in 1880.
hypothesis: Caesar and Cleopatra is a play written in 1898 by George Bernard Shaw that depicts a fictionalized account of the relationship between Julius Caesar and Cleopatra . It was first performed in a single staged reading at Newcastle upon Tyne on 15 March 1899 , to secure the copyright . The play was produced in New York in 1906 and in London at the Savoy Theatre in 1907 .