Given a context passage, generate a question from the passage such that its answer is shortest continous span from the passage.

Jose Santiago Albarracin 1 (23 July 1800 - 20 April 1869 ) was an Argentine soldier who fought on the Unitarian side in many engagements in the Argentine Civil Wars, especially in the struggles against Chacho Penaloza.
Which conflict was Santiago Albarracin a part of?