The term "Sixty-Fifth" typically refers to the ordinal number that follows sixty-four and precedes sixty-six. It can be used in various contexts, such as ranking, events, or anniversaries. For example, the Sixty-Fifth Congress of the United States took place from 1917 to 1919, during which significant legislation was passed. In music, "Sixty-Fifth" can also refer to a specific chord, known as the 65th chord, which is a type of seventh chord. This chord is often used in jazz and classical music to create tension and resolution within a piece. Understanding its role can enhance one's appreciation of musical compositions.