Q. When was Ramganga National Park renamed Jim Corbett National Park?
Answer: 1957
Notes: Jim Corbett National Park was originally Hailey National Park established in 1936. It was renamed Ramganga National Park in 1954-55. After Jim Corbett's death in 1957, the park was renamed Jim Corbett National Park that year in his honor. Corbett was instrumental in its conservation and boundary establishment.