Swahili was once an obscure dialect of an East African Bantu language. Today more than one hundred million people use it: Swahili is to eastern and central Africa what English is to the world. From its embrace in the 1960s by the black freedom movement in the United States to its adoption in 2004 as the African Union’s official language, Swahili has become a truly international language. How this came about and why, of all African languages, it happened only to Swahili is the story that John M....
