(...) UNESCO has adopted 27 October as the World Day for Audiovisual Heritage to better focus global attention on the issues at stake, in cooperation with the Co-ordinating Council of Audiovisual Archives Associations (CCAAA) and other partners. A growing number of archives around the world will be commemorating this Day with activities that highlight the fragility and vulnerability of this heritage, while celebrating the work of the heritage institutions that have helped to protect it. (...)

The article:
http://www.unesco.org/new/en/communication-and-information/access-to-knowledge/archives/world-day-for-audiovisual-heritage/world-day-for-audiovisual-heritage-2011/

From Unesco website:

http://www.unesco.org/new/en/unesco/resources/multimedia/