Timeline of Anosy
The early history of Anosy at this point in time is based primarily on archeological digs in the Efaho valley, just west of Tolagnaro, though there has also been some work done just east and north of town. By far the best source regarding the history of Anosy (especially the Efaho valley) in the last 1,000 years is by Rakotoarisoa (1998). Other excellent sources for the early history of Anosy are by Wright et al. as well as Dewar and Wright who also describe the early history of several other parts of Madagascar. Also see
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