1973 Lomé summit (So they actually did it! map game)

The Communauté unie des États de l'Afrique de l'Ouest was formed at the 1976 Lomé summit. Benin, Togo, Burkina Faso, Mali, Burkina Faso, Guinea and Senegal formed it in 1977, had a free trade zone in 1987, single market in 1989, a common currency in 1994 and a confederation in 1996.