At the end of the movie it's stated that Barbe Nicole passed away at 89. But in fact she passed away at 88.
In the segment that begins with the heading '1811', there is a battle going on in the background - plumes of smoke and cannon roaring - and the characters are packing up the bottles to protect them from the soldiers...the Russians." There was no battle in Champagne (or anywhere in France) in 1811. That was the year of the Peninsular War, which was in Spain and Portugal. No Russians anywhere near France for a few more years.