The term "91st" can refer to various contexts, such as the 91st Academy Awards, which celebrate achievements in the film industry. This annual event honors outstanding films, actors, and filmmakers, showcasing the best in cinema from the previous year. In a military context, "91st" may refer to the 91st Infantry Division, a unit of the United States Army that has served in various conflicts. Established during World War I, this division has a rich history and has participated in significant military operations throughout the 20th century.