- The video said that the movable type was invented in China around 1045-1058. But actually, the movable type was invented during the Northern Song Dynasty (1041-1048)
- The video said that Chinese people invented the paper 2000 years ago(179-41BC). But the earliest paper found in China is around 206-8 BC. Cai Lun improved papermaking skills during the Eastern Han Dynasty (105).
- The video said that papyrus was invented in 4000BC. But papyrus appeared around 3000 BC.
