Battle of Bach Dang (938) involved one of the ten kingdoms that existed during the Five Dynasties and Ten Kingdoms period.
  A "battle" in this broader sense may be of long duration and take place over a large area, as in the case of the Battle of Britain or the Battle of the Atlantic
 Battle in the 20th and 21st centuries is defined as the combat between large components of the forces in a military campaign, used to achieve military objectives

