I believe its 1869
fun fact on the inventions timeline coca-cola was intruduced 8 May 1886 :P
Cause of adolf hitler and the Jews wanted to show what will happen if Americans mess with them.
The answer to the item that you posted is letter A. The Olduvai Gorge in Tanzania is the site of many findings of the earliest humans. It is also one of the important sites to which many had learning and understanding about the human evolution.
The African kingdom that used seashells as it is form of currency is Mali Kingdom
