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17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special

Each traditional Japanese sword can take over a year to forge and is considered a work of art. Here's why.

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
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Historically, Japanese swords have been called the soul of the samurai. These intricately made weapons are perhaps the most famous, iconic type of sword to have existed.

That is because Japanese swords have long been considered more than just a simple weapon. They are also status symbols, works of art, and have also had a spiritual significance throughout Japanese history.

Here are 17 facts about why samurai swords are so special, including why they can take more than a year to make.

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1. Japanese swords are part of a tradition that goes back centuries

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
Source: Wikimedia Commons/Public domain

The art of Japanese swordmaking has been traced back by historians to as far back as the Kofun period in Japan, which ran from about 300 to 538 AD. Though the earliest samurai are thought to have favored bows over swords, the sword was soon adopted as a symbol of rank for the samurai class.

2. The tradition of Japanese swordmaking continues to this day

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
A samurai with a katana, c.1860, Source: Britannica/Wikimedia Commons

Despite the fact that the samurai class was abolished shortly after Japan's feudal era came to an end in 1868, the ancient traditional art of swordmaking is still practiced today.

Today, the city of Seki, which has been renowned for its bladesmiths throughout history, still holds a festival every autumn called Hamono Matsuri, in which swordsmiths show off their newly crafted blades.

3. Samurai swords are incredibly intricate and are made up of many parts

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
Source: Wikimedia Commons

4. The samurai sword was part of Japan's popular culture centuries before anime was a thing

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
Source: Wikimedia Commmons

As the woodblock print above — which shows two actors in a play at Ichimura theatre depicting samurai life as far back as 1852 — attests, the samurai culture has long been idealized and highly regarded in Japanese culture.

The stylistic dance performances of Kabuki theatre, which date back to the early 17th century, often portrayed samurai in battle.

5. Becoming a swordsmith in Japan takes a 5-year apprenticeship

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
Source: anandaBGD/iStock

To become a Japanese swordsmith, one must undertake an apprenticeship with a master sword maker for five months. Once prospective smiths finish their training, they still have to pass a national certification test that takes place over a period of eight days. Once certified, building a reputation as a respected sword maker can take years. There are only around 180 working tradition Japanese swordsmiths today

6. There are only around 180 working traditional Japanese swordsmiths today

In 2017, the Japanese Swordsmith Association counted a total of 177 working swordsmiths in all of Japan. That is down from 300 registered swordsmiths in 1989, Sora News 24 reported at the time.

7. Samurai sword hilts and handguards, known as Tsuba, are made with incredible artistry

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
Source: Wikimedia Commons

tsuba, the decorative handguard of a samurai sword, can be more important and valuable for a collector than the blade itself. By themselves, they can be worth tens of thousands of dollars.

8. Many Japanese swordsmiths have had their own distinctive signature Hamon line

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
An example of a Hamon, Source: Wikimedia Commons

'Hamon' translated from Japanese literally means blade pattern. The pattern is etched onto a blade when it is heat-treated and differentially hardened so that the cutting edge is harder than the spine. Japanese swordsmiths throughout history have differentiated their work from others with intricate patterns.

9. A traditional Japanese sword can take more than 18 months to make

Samurai swords are made using high-quality steel known by the name of 'tamahagane'. This steel is repeatedly heated, forged, layered, folded, and tempered. Layers of clay, with varying thickness, are applied as part of the specialized differential hardening treatment that makes the blade especially sharp and shock-absorbent.

The swordsmith repeats the painstaking layering process until they are happy to have the sword polished. The best swords can take up to 18 months to craft.'

10. Historically, the Japanese sword polisher was just as important as the smith

The relationship between polisher and swordsmith in Japan has been compared to that of the composer and the musician. Both are needed to craft a beautifully realized work of art.

When a smith has finished making the blade, its main features are invisible until a polisher goes to work bringing out the quality of the craftsmanship. A poor polishing job can completely ruin months of work. Polishing is essential as it brings out the steel’s grain and temper line, which are vital to a sword's appearance and overall value.

11. The blades can be sold for thousands of dollars

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
Source: Wikimedia Commons/Public domain

As a 1992 New York Times article about a Japanese swords auction at Christie's, New York pointed out, the most expensive sword at the sale was a 13th-century Kamakura blade that was sold for $418,000.

12. It was believed that a well-crafted Japanese sword could dispel evil

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
Source: ivan-96/iStock

Samurai did not only use the blades for fighting. The swords were traditionally also viewed as a symbol of purity that could be worn to fend off evil spirits.

13. They are sold in Japan today as a talisman

As Japanese sword maker, master Akihara, told Business Insider, most people who buy swords off him today, buy them as a symbol of luck, usually to commemorate family events and to bring luck to newlyweds and newborn babies.

14. You can tell what era a samurai sword came from by its shape

A Japanese sword expert can discern what era an old sword is from, or what era a new one is inspired by, solely by looking at its shape and its main features. For example, many swords made during the late Muromachi period (1336-1573) were shorter due to a shift from cavalry to mass infantry warfare.

15. The Token Kai was founded in 1900 to preserve the craftsmanship of Japanese swordmaking

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
Japanese sword sharpener at work, circa 1909, Source: Wikimedia Commons

Realizing that traditional sword making would disappear if no action was taken, the Japanese government founded the Token Kai in 1900, which was tasked with researching Japanese swords and preserving their craftsmanship

16. One of the most famous samurai swords ever built was lost after WWII

One of the most famous samurai swords to have ever been crafted is the Honjo Masamune. It was made by master swordsmith Honjo Masamune (c.1264-1343) and was passed down for generation during Japan's prosperous Edo period.

Unfortunately, the Japanese national treasure was handed over to the Allied forces at the end of WWII and its location is not known.

17. The art of Japanese swordmaking is slowly dying

17 Samurai Sword Facts: What Makes Traditional Japanese Swords So Special
Source: Wikimedia Commons

The Japanese government heavily regulates traditional sword making in order to ensure the highest quality. It's a tricky balance; while the regulations ensure quality standards are kept high and that the swords continue to be highly regarded, the rigorous, often unpaid, training means that many are turned away from the profession — see point 5.

What's more, to further ensure quality, the government only allows smiths to produce a maximum of two long swords or three short swords per month, a measure that is said to greatly reduce prospective income for those that are new to the profession. Unfortunately, these prohibitive regulations keep many away from pursuing a career as a traditional Japanese swordsmith.

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