Argentine surveyor and archaeologist Carlos J. Gradin and his team begins the most profound research on Cueva de las Manos in a 30-year-long study of the caves and their art.[1][2]
May 31 – The Venice Charter for the Conservation and Restoration of Monuments and Sites is adopted by the Second International Congress of Architects and Specialists of Historic Buildings.
November 30 – Western Australian Museum Act Amendment Act provides for protection of pre-1900 wrecks in local waters.
^Delegación Buenos Aires-MINPRO. "Cueva de las Manos". Cueva de las Manos (in Spanish). Perito Moreno, Argentina. Archived from the original on April 26, 2012. Retrieved 2021-03-21.
^Schobinger, Juan (2016-12-05). The Ancient Americans: a reference guide to the art, culture, and history of pre-Columbian North and South America. Vol. 1. Translated by Evans-Corrales, Carys (1st ed.). Routledge. pp. 39–44, 57–61, 67 & 70. doi:10.4324/978131570375. ISBN978-0-7656-8034-1. OCLC967392115.