Complex sentence: He retired from active duty to a farm in Oxfordshire in 1979 after serving the regiment for 27 years and died at age thirty-five on the 2nd of September 1985.
Split into simpler sentences: He retired from active duty to a farm in Oxfordshire in 1979 after serving the regiment for 27 years. He died at age thirty-five on the 2nd of September 1985.