This Day In History: Osai Tutu Kwamina defeats the British at Assamaka by African Celebs January 21, 2015 African Celebs ShareTweetPinShareShare0 SharesThis Day In History: On January 21, 1824, Osai Tutu Kwamina defeats the British at Assamaka, Ashanti. ShareTweetPinShareShare0 Shares Tags Assamaka British Ghana Osai Tutu Kwamina