Complex sentence: Keating was elected to New York Court of Appeals in 1965; served until his resignation in 1969 to become United States Ambassador to India 1969--1972 and then served as Ambassador to Israel from August 1973, until his death in New York City in 1975.
Split into simpler sentences: Keating was elected to the New York Court of Appeals in 1965, where he served until his resignation in 1969 to become United States Ambassador to India 1969--1972. Keating then served as Ambassador to Israel from August 1973 until his death in New York City in 1975.