Propaganda of the deed refers to acts of political violence or terrorism intended to inspire others to take action in pursuit of a specific ideological goal. This concept emerged in the late 19th century, often associated with anarchist movements, and is significant as it represents a shift from traditional propaganda methods, like pamphlets or speeches, to direct, dramatic actions aimed at drawing attention to social injustices and inciting revolutionary fervor. These acts were often seen as a means of demonstrating commitment to a cause and stimulating broader participation in political movements.