>>7 facedesk you didn't read
"you do realize that most if not all *European sword fighting* practise styles has been lost to time."
You have to realize a the definition of a sport consists of a individual or a team scoring points, So what part of larp exactly are you scoring points with out the noted individual stand alone sports that may be going on in the back grand?
I am fully aware of Fencing, kendo, oh if you didn't know Fencing is also classed as a European martial art.
Aikido has *nothing* to do with sword techniques period
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Aikido is unarmed martial art it's "techniques consist of entering and turning movements that redirect the momentum of an opponent's attack, and a throw or joint lock that terminates the technique".
https://en.wikipedia.org/wiki/Aikido
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Also here is a fun little fact did you know that martial arts only became a sport after they added a point scoring system funny how that works, and because they didn't have a point scoring system they where kept out of the Olympics for a good long time until they added one.
/saged