Complex sentence: Harris separated with Cohan after a 1919 actors strike, and renamed the theater the Sam H. Harris Theatre; he sold it in 1926 to the Shubert Organization, but it continued to operate under the Harris name until 1933 when it was converted to a movie house.
Split into simpler sentences: Harris separated with Cohan after a 1919 actors strike, and renamed the theater the Sam H. Harris Theatre. He sold it in 1926 to the Shubert Organization, but it continued to operate under the Harris name until 1933 when it was converted to a movie house.