The "Youth Pledge" is a historical declaration made by Indonesian youth on October 28, 1928. It aimed to unite the diverse ethnic groups in Indonesia under a common identity and purpose. The pledge emphasized the commitment to one nation, one people, and one language, which is Indonesian. This declaration played a crucial role in the Indonesian independence movement, fostering a sense of nationalism among the youth. It is celebrated annually as Youth Pledge Day, symbolizing the spirit of unity and the importance of youth in shaping the nation's future.