TIL During the Napoleonic Wars French cavalry developed a technique called Sabrage, which is opening a champagne bottle with a saber. The wielder slides the saber along the body seam of the bottle to the lip to break the top of the neck away.

https://en.wikipedia.org/wiki/Sabrage
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https://www.reddit.com/r/todayilearned/comments/1gaj3k6/til_during_the_napoleonic_wars_french_cavalry/