Modern and contemporary theatre history spans from the late 19th century to the present day. It encompasses diverse movements like Realism, Naturalism, Symbolism, Expressionism, Epic Theatre, Theatre of the Absurd, and Postmodernism, each responding to societal changes and artistic innovations. Key figures like Ibsen, Chekhov, Brecht, and Beckett shaped theatrical practices. Technological advancements, global influences, and social issues have continually transformed theatre. Contemporary trends include immersive experiences, digital integration, and a focus on diversity and sustainability.