Japanese Sword Classification

Japanese Sword Series 2
 
The name of “Japanese sword” is quite new and it started around the end of Tokugawa Shogun period when they started more business and cultural exchanges with foreign countries.  Before that period, it was just called as “Katana(刀)” or “Tsurugi(剣)”.  After Muromachi (室町)period (around A.D.1,500), the Japanese swords are classified into three different categories based on their length......