The concept of 1Malaysia is buzzing in the air. Whether it is running smoothly as expected or is facing some obstacles and challenges, Malaysia has to wait. In comparison to her neighbor, Indonesia's Sumpah Pemuda or Youth's Oath, was declared on 28 Oktober 1928, with it famous of : "Satu Nusa, Satu Bangsa, Satu Bahasa, Indonesia:, wasa bottom-up approach. The difference and the similarity of the two concepts and how the experience of the two countries in establishing and sustaining the concept are interesting to be explored. The objectives are similar, i.e. how to mobilize the togetherness of the people of the nation in its national interest.