In 1970, King was elected governor, defeating Republican
Pete Domenici. He served as the
23rd, 25th and 28th Governor of New Mexico from 1971 until 1975, 1979 until 1983 and from 1991 until 1995. His terms were non-consecutive because the New Mexico constitution did not allow governors to succeed themselves before 1991, due to
term limits. King became the first governor who could succeed himself after the term limit laws were changed and ran for reelection
in 1994, but was defeated for a fourth term by Republican businessman
Gary Johnson. After the
Church Rock uranium mill spill of 1979, King refused the Navajo Nation's request that the site be declared a
federal disaster area, limiting aid to affected residents. The spill was the largest release of radioactive material in U.S. history, having released more radioactivity than the
Three Mile Island accident four months earlier. ==Personal life==