In 1802 , the British returned the Cape Colony to the Dutch after the signing of the Treaty of Amiens , however , in 1806 , during the Napoleonic Wars , a second British invasion re-occupied the colony after the Battle of Blaauwberg .
British remained a British colony .
In 1802 , the British returned the Cape Colony to the Dutch after the signing of the Treaty of Amiens , however , in 1806 , during the Napoleonic Wars , a second British invasion re-occupied the colony after the Battle of Blaauwberg and it remained a British colony .