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The article by Herbert Lewis that is used as a source for claims that there was activity in the area before the 13th century says nothing of the sort. Its only references to Merca are already here: we added the claims made by the two geographers (Ibn Said and al-Idrisi) and reproduced by Lewis regarding possible dates when settlers first arrived. Since this claim has, for whatever reason, become hugely contentious, I'm not even leaving it in with a cite-needed template. It's gone because it's unsourced and, given a difference of between 800-999 years between the well-sourced claims and the unsourced claims, it's likely false. If the user who kept removing the template is really up to no good, that's going to be a really, really big problem. RunnyAmiga (talk) 16:08, 18 June 2016 (UTC)