Lagu 17 Agustus 1945 is a patriotic song that was composed in 1950 by Husein Mutahar. The lyrics of the song were written by Sudiro. The song was first played on the 5th anniversary of Indonesia's independence. Since then, it has become one of the most popular patriotic songs in Indonesia.
Tanggal 17 Agustus 1945 menjadi momen yang sangat bersejarah bagi bangsa Indonesia. Hari itu selalu diingat karena saat itu pula bangsa Indonesia merdeka dari para penjajah menyusul pembacaan teks proklamasi kemerdekaan oleh Presiden RI ke-1 Soekarno dan wakilnya Mohammad Hatta. Saat itu, pembacaan teks proklamasi dilakukan di Jalan Pegangsaan .