Battle of the Ten Kings () is a battle alluded to in Mandala 7 of the Rigveda (hymns 18, 33 and 83.4-8), the ancient Indian sacred collection of Vedic Sanskrit hymns. It is a battle between Aryans (Vedic Indians) (an "internecine war", as the 1911 Britannica puts it, as opposed to the more frequent accounts of Aryans fighting Dasyus). It took place as Puru tribes, allied with other tribes of the north west India and guided by the royal sage Vishvamitra, oppose the Trtsu (Bharata) king Sudas in battle, but are defeated as was celebrated in a provocative hymn of Sudas' poet and priest Vashista (RV 7.18). K. F. Geldner in his 1951 translation of the Rigveda considers the hymns as "obviously based on an historical event", even though all details save for what is preserved in the hymns have bee