In South Africa, Governor of Cape Colony Harry Smith annexes the
territory between the Orange and Vaal rivers for Britain.
Citation:
Editors. "Harry Smith annexes country between Orange and Vaal rivers".
The Literary Encyclopedia. First published 30 December 2011
[http://www.litencyc.com/php/stopics.php?rec=true&UID=18125, accessed 23 May 2013.]