Alexander the Great travels beneath the sea in a 13th Century glass submarine, an illustration from the Roman d’Alexandre
Birch bark letter No. 202, found in Novgorod, dated betwen 1240 and 1260.
This letter is one of a large number of similar artifacts found in Novgorod around 1951. This specific letter contains spelling lessons and drawings made by a boy named Onfima (Онфима), aged between six and seven years.