The execution of the last French monarch Louis XVI, in 1793. The writer says rule by birthright is an outdated form of government which has over the years held humankind back. /UIG/Getty Images
{"Image ImageDescription": "Execution of Louis XVI, January 21, 1793, period engraving. (Photo by Photo12/UIG/Getty Images)", "Image Software": "Picasa", "Image Artist": "Photo 12", "Image Copyright": "This content is subject to copyright."}