Complex sentence: The zoo was founded in 1905 as the Middlesex Fells Zoo and on March 14,1969 was renamed the Walter D Stone Memorial Zoo in honor of Walter D. Stone, a former zoo director.
Split into simpler sentences: The zoo was founded in 1905 as the Middlesex Fells Zoo. On March 14,1969, it was renamed the Walter D Stone Memorial Zoo in honor of Walter D. Stone, a former zoo director.