Complex sentence: Yaya Dillo Djérou became a prominent political figure in Chad on October 14,2005, when the the government of Idriss Déby had to admit desertions in the army, especially from the zaghawa, the President's ethnic group.
Split into simpler sentences: Yaya Dillo Djérou became a prominent political figure in Chad. On October 14,2005, when the the government of Idriss Déby had to admit desertions in the army, especially from the zaghawa, the President's ethnic group.