The Gambia President Adama Barrow changed the name back to "Republic of The Gambia". Arab traders provided the first written accounts of the Gambia area in the ninth and tenth centuries. During the tenth century, Muslim merchants and scholars established communities in several West African commercial centres. Both groups established trans-Saharan trade routes, leading to a large export trade of local people as slaves, also gold and ivory, as well as imports of manufactured goods. By the 11th or 12th century, the rulers of kingdoms such as Takrur, a monarchy centred on the Senegal River just to the north, ancient Ghana and
San Diego Country Estates, California Valley (33.002636, -116.799005). bordered on all sides by rolling hills with the exception of the prominent Mount Gower, in Cleveland National Forest. There are only three main entrances and exits into the estates via the San Vicente Highway, Old Julian Highway, and Wildcat Canyon Highway leading to Barona, and eventually South Bay. To the west of San Diego Country Estates are Poway and Ramona, to the south is Lakeside, to the east is Cleveland National Forest and to the north is the Palomar Mountain Range. The 2010 United States Census reported that San Diego Country Estates had a population of