The Yippies plagiarized avant-garde happenings for political theater.

Evidence

The Yippies had stolen the script for Barbara Rubin’s grandiose Christmas on Earth Continued even as Kusama, Nitsch, and Schechner pushed her confrontational happenings in a new direction. — J. Hoberman, Everything Is Now, 1198

Categorization

• XREF: The pipeline from Rubin’s happenings into Yippie guerrilla theater is a concrete case of avant-garde form migrating into political praxis.