The Somali Civil War is an ongoing civil war taking place in Somalia. It began in 1991, when a coalition of clan-based armed opposition groups ousted the nation's long-standing military government. Various factions began competing for influence in the power vacuum that followed, which precipitated an aborted UN peacekeeping attempt in the mid-1990s. A period of decentralization ensued, characterized by a return to customary and religious law in many areas as well as the establishment of autonomous regional governments in the northern part of the country. The early 2000s saw the creation of fledgling interim federal administrations, culminating in the establishment of the Transitional Federal Government (TFG) in 2004. In 2006, the TFG, assisted by Ethiopian troops, assumed control of most o