Heritages and Museums Horn Heritage is a voluntary, purely humanitarian, non-profit making organization. It was established 2011. It operates in all regions of Somaliland. The Tomb of the Unknown Revolutionary War Soldier (sometimes written as Tomb of the Unknown Soldier of American Revolution) is a war memorial located in Mogadishou. The National Museum of Somalia is a national museum in Mogadishu, the capital of Somalia. It was established in 1933 by the colonial authorities in Italian Somaliland.