Katana

The katana is a single-edged, curved Japanese sword characterized by its distinctive blade geometry, produced through a folded steel forging technique combining a hard, sharp outer edge with a softer, more flexible core, and worn edge-up thrust through the wearer's sash for rapid drawing. The design emerged and was refined over the Kamakura and subsequent periods of Japanese history, from roughly the twelfth through fourteenth centuries onward, gradually superseding the earlier, straighter tachi as the preferred sidearm of the samurai warrior class as fighting styles shifted toward faster, more mobile combat. Beyond its practical battlefield role, the katana became deeply embedded in samurai culture as a symbol of status, honor and the warrior code later formalized as bushido, and master swordsmiths such as Masamune achieved reputations comparable to legendary artisans. The katana remained the characteristic weapon of Japan's warrior class through the country's medieval and early modern periods until the Meiji government's 1876 sword-abolishment edict ended samurai sword-carrying privileges, though the weapon's cultural prestige has endured into the present.