The document provides background on the French Revolution from 1789-1794. It describes the three estates system and growing discontent of the Third Estate, as well as events that sparked the revolution such as the storming of the Bastille. The summary focuses on key groups that emerged during the Moderate and Radical stages of the revolution. The Moderate stage saw the formation of the National Assembly and early reforms. The Radical stage was dominated by the Sans-culottes, Jacobins, and Montagnards like Marat and Robespierre who unleashed terror, while the Girondins lost popularity for opposing the overthrow of the monarchy.