October 27 – Death of Hélio Oiticica’s mother Ângela Santos Oiticica.
Meets Quentin Fiore.
Shoots Agripina é Roma – Manhattan [Aggrippina is Rome – Manhattan] on Super 8mm film.
Shows: May 5 – “Exposição,” Museu de Arte Moderna, Rio de Janeiro. Organized by Carlos Vergara (1941), at which Hélio Oiticica’s Projeto Filtro – Para Vergara [Filter Project – for Vergara] is presented for the first time; October 30 – “Metaesquemas,” Galeria Ralph Camargo, São Paulo.
Happening: “Encuentros de Pamplona,” Pamplona, Spain.
Writings: March 22 – “Experimentar o Experimental” [To Attempt the Experimental], published in the magazine Navilouca, in 1974, doc nº 0380/72 AHO/PHO; June 14 – Projeto Filtro – Para Vergara, doc nº 0236/72 AHO/PHO