Youth Pledge
The Youth Pledge (Indonesian: Sumpah Pemuda, lit. 'Youth Oath'), officially titled as Decision of the Congress of Indonesian Youth (van Ophuijsen spelling Indonesian: Poetoesan Congres Pemoeda-pemoeda Indonesia) is the nationalist pledge made by young Indonesians on 28 October 1928, which defined the identity of Indonesians. The decision proclaimed three ideas: one motherland, one nation, and a unifying language.