The Chinese inventor Bi Sheng designed movable type of earthenware c. 1045, but there aren't any acknowledged surviving samples of his printing. All around 1450, in what is often regarded as an impartial creation, Johannes Gutenberg invented movable key in Europe, as well as improvements in casting the sort according https://www.youtube.com/channel/UCP9Gw00CldPUmiu43y7fdWw