Besides Europe, what other continent has traditions similar to the solo and mock-battle tradition observed in Nova Scotia?
Nova Scotia Gaelic Mod:  The whole of eastern Nova Scotia turns up for Sword Dances, pipe bands, athletic events, and general celebration of the region's strong ties to Scotland and Scottish culture. Sword dance:  There are various traditions of solo and mock-battle (Pyrrhic) sword dances from Asia and Europe.
Asia