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A sword is a bladed weapon intended for slashing or thrusting. The precise definition of the term varies with the historical epoch or the geographical region under consideration. A sword consists of a long blade attached to a hilt. The blade can be straight or curved. Thrusting swords have a pointed tip on the blade, and tend to be straighter; slashing swords have sharpened cutting edge on one or both sides of the blade, and are more likely to be curved. Many swords are designed for both thrusting and slashing. Historically, the sword developed in the Bronze Age, evolving from the dagger; the earliest specimens date to about 1600 BC. The later Iron Age sword remained fairly short and without a crossguard. The spatha, as it developed in the Late Roman army, became the predecessor of the European sword of the Middle Ages, at first adopted as the Migration period sword, and only in the High Middle Ages, developed into the classical arming sword with crossguard. The word sword continues the Old English, sweord.[1] The use of a sword is known as swordsmanship or (in an early modern or modern context) as fencing. In the Early Modern period, western sword design diverged into roughly two forms, the thrusting swords and the sabers. The thrusting swords such as the rapier and eventually the smallsword were designed to impale their targets quickly and inflict deep stab wounds. Their long and straight yet light and well balanced design made them highly maneuverable and deadly in a duel but fairly ineffective when used in a slashing or chopping motion. A well aimed lunge and thrust could end a fight in seconds with just the sword's point, leading to the development of a fighting style which closely resembles modern fencing. The saber and similar blades such as the cutlass were built more heavily and were more typically used in warfare. Built for slashing and chopping at multiple enemies, often from horseback, the saber's long curved blade and slightly forward weight balance gave it a deadly character all its own on the battlefield. Most sabers also had sharp points and double edged blades, making them capable of piercing soldier after soldier in a cavalry charge. Sabers continued to see battlefield use until the early 20th century. The US Navy kept tens of thousands of sturdy cutlasses in their armory well into World War II and many were issued to marines in the Pacific as jungle machetes. Non-European weapons called "sword" include single-edged weapons such as the Middle Eastern scimitar, the Chinese dao and the related Japanese katana. The Chinese jian is an example of a non-European double-edged sword, like the European models derived from the double-edged Iron Age sword. Contents History Edit Ancient history Edit The first weapons that can be described as 'swords' date to around 3100 BC. They have been found in Arslantepe, Turkey, are made from arsenical bronze, and are about 60 cm (24 in) long.[2][3] Some of them are inlaid with silver. Bronze Age Edit Main article: Bronze Age sword Apa-type swords, 17th-century BC. The swords found together with the Nebra skydisk, ca. 1600 BC. The sword developed from the dagger when the construction of longer blades became possible, from the late 3rd millennium BC in the Middle East, first in arsenic copper, then in tin-bronze. Blades longer than 60 cm (24 in) were rare and not practical until the late Bronze Age because the tensile strength of bronze is relatively low, and consequently longer blades would bend easily. The development of the sword out of the dagger was gradual; the first weapons that can be classified as swords without any ambiguity are those found in Minoan Crete, dated to about 1700 BC, reaching a total length of more than 100 cm. These are the "type A" swords of the Aegean Bronze Age. One of the most important, and longest-lasting, types swords of the European Bronze Age was the Naue II type (named for Julius Naue who first described them), also known as Griffzungenschwert (lit. "grip-tongue sword"). This type first appears in c. the 13th century BC in Northern Italy (or a general Urnfield background), and survives well into the Iron Age, with a life-span of about seven centuries. During its lifetime, metallurgy changed from bronze to iron, but not its basic design. Naue II swords were exported from Europe to the Aegean, and as far afield as Ugarit, beginning about 1200 BC, i.e. just a few decades before the final collapse of the palace cultures in the Bronze Age collapse.[4] Naue II swords could be as long as 85 cm, but most specimens fall into the 60 to 70 cm range. Robert Drews linked the Naue Type II Swords, which spread from Southern Europe into the Mediterranean, with the Bronze Age collapse.[5]

INTO JAPANESE

剣は、斬撃や突っ込みのため刃の武器です。用語の正確な定義は歴史的新紀元または検討の下で地理的地域によって異なります。剣は柄に接続されている長い刃から成っています。ブレードは、直線または曲線にすることができます。突き出す剣、ブレードの先のとがった先端を持っているし、まっすぐにする傾向があります。sla