Agitprop originated in Revolutionary Soviet Russia in the 1920's. It describes plays, pamphlets, posters, film and other art forms that had a political message. Within this context agitation meant urging the people to do what the communist leaders expected them to do.
When did agitprop originate?
It gave rise to agitprop theatre, a highly politicized theatre that originated in 1920s Europe and spread to the United States; the plays of Bertolt Brecht are a notable example. Russian agitprop theater was noted for its cardboard characters of perfect virtue and complete evil, and its coarse ridicule.
When did Brecht create epic theatre?
Epic theatre is now most often associated with the dramatic theory and practice evolved by the playwright-director Bertolt Brecht in Germany from the 1920s onward.