found: GeoNames, algorithmically matched, 2009(unknown; 11°51ʹ00ʺN 015°35ʹ00ʺW)
found: Wikipedia, August 28, 2015(Bissau; capital city of Guinea-Bissau; founded 1687 as a fortified port and trading center; in 1942 it became the capital of Portuguese Guinea; 11°51ʹN 15°34ʹW)
found: GEOnet names server, August 28, 2015(Bissau; variants: Bissao; São José de Bissáu; capital of a political entity; Guinea-Bissau, first-order administrative division: Bissau; 11°51ʹ30ʺN, 015°35ʹ30ʺW (11.858333, -15.591667))