This document provides descriptions and figures of artworks created in the 1960s by European artists associated with the Nouveau Réalisme movement such as Yves Klein, Niki de Saint-Phalle, Arman, César, and Christo and Jeanne-Claude. It also describes Fluxus performances and works by George Maciunas, Yoko Ono, Joseph Beuys, and others working in conceptual and performance art during this period. The artworks incorporated found objects, new materials, and non-traditional mediums and emphasized ephemeral experiences and interactions with the audience.