The full name of the Japanese knife is the plane fragment complex dark light pattern blade, according to the shape, size can be divided into Tai Knife, Fighting Knife, Short Knife, etc., and the Japanese call the knife specifically refers to the knife, "Tai Dao" is widely known, according to modern archaeological circles, the earliest molded Japanese knife shape is from the Heian Period (794-1192) knife craftsman Heavenly Kingdom, especially famous is the Tai Dao Small Karasuma.
Speaking of swords, you will talk about Japanese samurai, the emergence of Japanese samurai is also in the Heian period, when China was in the Tang Dynasty, according to many historical records samurai came from China, and the birthplace of Japanese Bushido is the Japanese Kamakura shogunate, Japanese swords contain the soul of the samurai, and the late Heian period of Japan is known as the Taiko period.
As we all know, the Japanese sword is also known for its beautiful shape as a weapon, from the late Heian period of Japan to the Kamakura period, the production of Japanese swords appeared in the "Five Traditions of the World" school of knife making, namely Yamato, Bizen, Yamashiro Kuni, Aishu, Mino, and There is also a huge Japanese sword in Japan, not everyone can make it move, it is a strange national treasure of Japan.
This knife is the "Yamakin-made Bowen Leech Daitai Knife" hidden in the Nirayama Shrine in Tochigi Prefecture, which is 3 meters 2 meters long and weighs 14 kilograms, usually the Japanese Taikō is a machete with a body length of 3 feet (1m) or more to 5 feet (about 1.5 meters), below 3 feet is a small tai knife, and more than 5 feet is called a large tai knife (or a wild tai knife).
First of all, to understand the history of the Japanese Daitai sword, at the end of the Kamakura period of Japan, the Emperor Kublai Khan of the Yuan Dynasty sent troops to attack Japan in 1274 and 1281 respectively, Japanese social unrest, and the collapse of the original political system in Japan at that time, in the context of such an era, Japan's knife industry was thriving, and the big tai knife appeared.
In ancient times, the Japanese were not tall, the average height was more than 1 meter 5, and it was not very difficult to use a large tai knife that was about 1.5 meters long, but if it was more than 3 meters, it was not so easy, in fact, if you wanted to use the arnum to make a Bovin leech big tai knife, it was basically picked up, but it could not be swung.
Therefore, this big tai knife was not prepared for the Japanese, but was supplied to the gods, and there was also the evil Imperial Tai Sword hidden in Hanaoka Hachimanomiya in Yamaguchi Prefecture, which was made in the 6th year of Ansei (1859 AD) in Japan, by the last descendant of the famous southern swordsman Yamasai, Mitsuko Xuan Kitatsuko Kunigang, which is 4.65 meters long and weighs 75 kilograms, making it the largest tai sword in the world.
At that time, Japan had been forcibly opened by Western countries, and the Japanese samurai could not avoid anger, the name of the big tai sword "breaking the evil", which means to attack the Westerners, "imperial sword" means to enshrine, assist the emperor, the Japanese samurai want to get the protection of the shrine, so they ordered people to cast the big tai sword that can only be wielded by the "god".