The “Great Depression” is the term used for a severe economic recession which ... in Weimar Germany which led in part to the rise of Adolf Hitler and the Nazi Party. ... (more than 20 percent of the U.S. population at the time) were unemployed.
Reign of Terror also known as the Great Fear (La Grande Peur), although it didn't start until September 1793. I couldn't find anything else to fit that time frame.