The first French trading post in sub-Saharan Africa was established in Senegal's Saint-Louis in 1659 and the island soon became a holding point for thousands of captive Africans before they were shipped abroad. But Saint-Louis' role in the transatlantic slave trade is little known.

The first French trading post in sub-Saharan Africa was established in Senegal's Saint-Louis in 1659 and the island soon became a holding point for thousands of captive Africans…

SAINT-LOUIS (Senegal), Aug 20 — A dilapidated two-century-old building in Saint-Louis, Senegal bears testament to the island’s little-known past as part of the transatlantic...