The United Nations Mission in Sierra Leone (UNAMSIL) was a United Nations peacekeeping operation in Sierra Leone from 1999 to 2006. It was created by the United Nations Security Council in October 1999 to help with the implementation of the Lomé Peace Accord, an agreement intended to end the Sierra Leonean civil war. UNAMSIL expanded in size several times in 2000 and 2001. It concluded its mandate at the end of 2005, the Security Council having declared that its mission was complete.
United Nations Security Council resolution 1245, adopted unanimously on 11 June 1999, after recalling resolutions 1181 (1998), 1220 (1999) and 1231 (1999) on the situation in Sierra Leone, the Council extended the mandate of the United Nations Observer Mission in Sierra Leone (UNOMSIL) for a further six months until 13 December 1999.
United Nations Security Council resolution 1289, adopted unanimously on 7 February 2000, after recalling resolutions 1171 (1998), 1181 (1998), 1231 (1999), 1260 (1999), 1265 (1999) and 1270 (1999) on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for a period of six months and expanded its military component.
United Nations Security Council resolution 1334, adopted unanimously on 22 December 2000, after recalling resolutions 1270 (1999), 1289 (1999), 1313 (2000), 1317 (2000) and 1321 (2000) on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) until 31 March 2001. It was the final resolution adopted in 2000.
United Nations Security Council resolution 1346, adopted unanimously on 30 March 2001, after recalling previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for a further six months and increased the size of its military component.
United Nations Security Council resolution 1370, adopted unanimously on 18 September 2001, after recalling resolutions 1270 (1999), 1289 (2000), 1313 (2000), 1317 (2000), 1321 (2000) and 1346 (2001) on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for a period of six months until 31 March 2002, beginning from 30 September 2001.
United Nations Security Council resolution 1400, adopted unanimously on 28 March 2002, after recalling all previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for a further six months until 30 September 2002 in the run up to the May 2002 general elections.
United Nations Security Council resolution 1436, adopted unanimously on 24 September 2002, after recalling all previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for a further six months beginning on 30 September 2002.
United Nations Security Council resolution 1458, adopted unanimously on 28 January 2003, after reaffirming Resolution 1408 (2002) on the situation in Liberia, and recognising the importance of implementing Resolution 1343 (2001), the Council re-established an expert panel to monitor the implementation of sanctions against the Liberian government including an arms embargo, travel ban for officials, and prohibitions on the import of its rough diamonds.
United Nations Security Council resolution 1470, adopted unanimously on 28 March 2003, after recalling all previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for six months until 30 September 2003.
United Nations Security Council resolution 1479, adopted unanimously on 13 May 2003, after reaffirming Resolution 1464 (2003) on the situation in Côte d'Ivoire and resolutions 1460 (2003) and 1467 (2003), the Council established the United Nations Mission in Côte d'Ivoire (MINUCI) after determining the situation in the country to be a threat to international peace and security in the region.
United Nations Security Council resolution 1508, adopted unanimously on 19 September 2003, after recalling all previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for six months until 31 March 2004.
United Nations Security Council resolution 1521, adopted unanimously on 22 December 2003, after recalling all previous resolutions on the situation in Liberia and West Africa, the Council established a monitoring body to oversee international sanctions against Liberia. It was the final Security Council resolution adopted in 2003.
United Nations Security Council resolution 1537, adopted unanimously on 30 March 2004, after recalling all previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for six months until 30 September 2004 with a residual force remaining in the country until June 2005.
United Nations Security Council resolution 1562 was adopted unanimously on 17 September 2004. After recalling all previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) residual presence for a period of nine months until 30 June 2005.
United Nations Security Council resolution 1610, adopted unanimously on 30 June 2005, after recalling all previous resolutions on the situation in Sierra Leone, the Council extended the mandate of the United Nations Mission in Sierra Leone (UNAMSIL) for a final six months until 31 December 2005.
United Nations Security Council resolution 1620, adopted unanimously on 31 August 2005, after recalling all previous resolutions on the situation in Sierra Leone, the Council established the United Nations Integrated Office in Sierra Leone (UNIOSIL) for an initial period of twelve months beginning on 1 January 2006, to replace the United Nations Mission in Sierra Leone (UNAMSIL).
United Nations Security Council resolution 1626, adopted unanimously on 19 September 2005, after recalling all previous resolutions on the situations in Liberia and Sierra Leone, particularly resolutions 1509 (2003), 1610 (2005) and 1620 (2005), the Council extended the mandate of the United Nations Mission in Liberia (UNMIL) until 31 March 2006 and authorised the deployment of 250 troops to Sierra Leone to protect the Special Court.
United Nations Security Council Resolution 1667, adopted unanimously on March 31, 2006, after recalling all previous resolutions on the situations in Liberia and the subregion, particularly resolutions 1626 (2005) and 1638 (2005), the Council extended the mandate of the United Nations Mission in Liberia (UNMIL) until September 30, 2006.
United Nations Security Council Resolution 1885 was unanimously adopted on 15 September 2009.
