Second Battle of Acentejo
The Second Battle of Acentejo took place on 25 December 1494 between the invading Spanish forces and the natives of the island of Tenerife, known as Guanches. The battle had been preceded by the Battle of Aguere, fought on 14-15 November that year, which had been a Castilian victory.
Source: Wikipedia — Second Battle of Acentejo (CC BY-SA 4.0)