Set in France of the 1780s, the film has its basis in historical events, which, we are told, contributed to the French Revolution of 1789 in no small way. Well, I suppose that sort of statement can always be disputed, but 18th century buffs will enjoy the movie for at least two additional reasons. There are lots of interesting, very nicely done examples of daily dress, at least among the upper classes and royalty. And there are even a few sequences featuring French infantry and cavalry of the period.
Historical accuracy notwithstanding, you might like this movie too. It's an enjoyable way to kill two hours when you just don't feel like visiting the painting table. Significantly, though, your mind and imagination nevertheless remain in period, which is a good thing.