 
<translate> Akụkụ dị mkpa maka ịza ajụjụ a bụ: Agha Obodo Sierra Leone (1991 - 2002) malitere na 23 Machị 1991 mgbe Revolutionary United Front (RUF), site na nkwado nke ndị agha pụrụ iche nke Charles Taylor's National Patriotic Front of Liberia (NPFL), batara na Sierra Leone iji gbalịa ịkwatu gọọmentị Joseph Momoh. N'ihi ya, azịza ikpeazụ bụ 1991. <eng> The important part for answering this question is: The Sierra Leone Civil War (1991 -- 2002) began on 23 March 1991 when the Revolutionary United Front (RUF), with support from the special forces of Charles Taylor's National Patriotic Front of Liberia (NPFL), intervened in Sierra Leone in an attempt to overthrow the Joseph Momoh government. Therefore, the final answer is 1991. 