An interesting couple of videos. I still have to finish the second video, but from past experience I have no doubt he will be historically rigorous and explore details I never knew existed. The first video has a Japanese-influenced sword which he assumes came from China's then wars with Japan.
Scholagladiatoria
Swords of the Ming Dynasty: Introduction to One-Handed Types
CHINESE Swords & Swordsmen in Victorian Times: Period Combat Accounts