I suppose "1812" has many famous connotations in history, but for this bridge deal, the meaning is bizarre. In the Round of 64 at the 2010 World Championships, there were swings of 18,17,16,15,14,13 and 12 IMPs all on this board!
Records aren't kept, but I wouldn't be surprised if this is the first time a deal produced a swing to cover every single possibility from 18 to 12 on the IMP scale. In case you couldn't click on the link above, here is what the deal looked like:
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