The term "Thirty Ninth" typically refers to the ordinal number that comes after thirty-eighth and before fortieth. It is often used in various contexts, such as ranking, events, or lists. For example, in a race, the person who finishes in the thirty-ninth position is said to have placed thirty-ninth. In some cases, "Thirty Ninth" may also refer to specific groups or organizations, such as the 39th Infantry Regiment in the military. This regiment has a rich history and has participated in various conflicts, contributing to its significance in military tradition.