Richard Nixon was the 37th President of the United States, serving from 1969 to 1974. He is known for his accomplishments in foreign policy, including improving relations with China and signing arms control treaties with the Soviet Union. However, Nixon's presidency was marred by the Watergate scandal, which ultimately led to his resignation in 1974. He was the only U.S. president to resign from office. Nixon's legacy is a complex one, with his achievements in diplomacy often overshadowed by the controversy and political turmoil of the Watergate scandal.