Well, if a primary source says that a country one a historic battle, and we find rope and unfired weapons and a large amount of bones inside of the rope area, then the primary source is then questioned.
The French Revolution was a timeframe in France when the individuals toppled the government and assumed responsibility for the administration. When did it occur? The French Revolution kept going 10 years from 1789 to 1799. It started on July 14, 1789 when progressives raged a jail called the Bastille.