Horn of Africa displays the greatest diversity, a sign often viewed to represent a geographic origin. The Horn of Africa is also the place where the haplogroup E1b1b originated from, Christopher Ehret and Shomarka Keita have suggested that the geography of the E1b1b lineage coincides with the distribution of the Afroasiatic languages. Genetic analysis done on the Afroasiatic speaking population further found that a pre-agricultural back-to-Africa migration into the Horn of Africa occurred through Egypt 23,000 years ago and it brought a non-African ancestry dubbed Ethio-Somali in the region. Together with northern Somalia, Djibouti, the Red Sea coast of Sudan and Eritrea is
German horn players since about 1930 because of the increasing ubiquity of the German horn. Since that time, the true French horn's use has been confined mainly to France, and even in that country the German horn was already gaining favour with some French players as early as 1938. In the late seventeenth century, French makers became preeminent in the manufacture of hunting horns, and were credited with the creation of the now-familiar, circular "hoop" shape of the instrument. As a result, even in England these instruments were often referred to by their French names, "trompe de chasse" or "cor de chasse"