In the eighteenth and nineteenth centuries, thousands of slaves were deported to America. The Bimbia tradind post in Cameroon was one of the depature points. Between 1776 and 1838, about 2393 people, including 42.3% of children was embarked at Bimbia for North Carolina, Brazil, Guyana or Jamaica. The story says that about 2078 of them arrived destination.
The German Canon faced the sea and was pointing on Nicholls Island to prevent unwanted vessels from docking and to dissuade the isolated slaves to the island to escape.