That was the year Gustave Courbet, the celebrated Realist painter then in his early 50s, found himself at the center of a 72-day utopian experiment known as the ParisCommune.
Time and again, support for terrorism appears to increase when legitimate political activism is suppressed - from the French anarchists who began bombing campaigns after the defeat of the ParisCommune, to the Algerian National Liberation Front struggling to end French colonialism, to the Weather Underground's "Declaration of a state of war" after state repression of student campaigns against the Vietnam War.