Euphemisms R Us
Check out this article on the French Revolution at thefreedictionary.com.
The term French Revolution refers to a period in the history of France covering the years 1789 to 1799, in which republicans overthrew the monarchy and the Roman Catholic Church perforce underwent radical restructuring.
Oh, is that what you call it when you ban the Church and guillotine every priest and nun you can find? Yeah, having no head is a change in your structure, all right.