After the demise of the longsword, the backsword became the last prominent battlefield sword.
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Later arts may teach fighting with the rapier, smallsword, backsword, quarterstaff, pike, or bayonet.
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By then the Games, known as Dover's Meeting, were well-established and once again quite popular, and included events such as backsword fighting.
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The backsword was not a new invention, but managed to outlast other forms of war swords, and was last used primarily by cavalry units and officers.
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For example the backsword may be so called because it is single-edged but the falchion which is also single-edged is given its own specific name.
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More examples
Singlestick: a stick used instead of a sword for fencing
A sword with only one cutting edge
A backsword is a sword with a blade on only one edge. The back of the sword is often the thickest part of the blade and acts to support and strengthen it.
A sword blade, which has a cutting edge only on one side. Most commonly found on curved blades, such as sabers, falchion, and cutlass.
A sword with one sharpened edge, often with a basket or cage hilt for hand protection; used by cavalry and represented the precursor to the sabre e.g., "the boys played single-stick (fencing) with two old backswords."
An archaic, edged, unpointed sword used in prizefighting; also singlestick.