The Battle of Ap Bau Bang (Vietnamese: trận Bàu Bàng) took place on the morning of 12 November 1965 when two regiments from the Viet Cong (VC) 9th Division attacked a night defensive position of the United States 2nd Battalion, 2nd Infantry Regiment (2/2nd Infantry) at a small village of Bàu Bàng, in today's Bàu Bàng district, 25 km north of Thủ Dầu Một