Britain and France sign a convention defining their respective
spheres of influence in Nigeria, the British Protectorate in
Zanzibar and Pemba and the French Protectorate in Madagascar.
Citation:
Editors. "Anglo-French convention defines spheres of influence in Africa".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=19036, accessed 23 May 2013.]