Chinese swords

In China, Chinese swords have a long history . Foe example, the Stone swords were used in prehistoric times, the Bronze swords have been traced back to the bronze daggers of the Western Zhou period, but did not come into common use until the Eastern Zhou period, and the Bronze long swords suddenly appeared during the mid-third century BC. Later swords were made of iron or steel. Swords commonly reached a length of 70-100 cm, although longer swords have been found. Chinese iron swords were used in Japan from the third to sixth century AD, but were replaced with Korean and native Japanese swords by the middle of the Heian era.