the border is not so well defined from what I understand, but according to most of what I had read, the border between Zambia and Botswana runs for a few 10's-100's of meters precluding a border between Zim and Namibia. Shame about Nkomo, the bird was a judgement call, I didn't know if it would make it too easy, and most people that I know call it the Zim Bird (we never refer to it as just a bird). I don't think I want to meet such special people ;) Thanks for the comments
Definitely more difficult than the featured quiz. Regarding the yes/no questions: if you get one you automatically get the other, maybe consider rephrasing one of them? Also, the spelling is "independence".
Nice quiz! Robert Mugabe is dead now so he has no longer been the leader of Zimbabwe since independence. Also, you spelt independence wrong in that question.