Fascinating article, found on Slate magazine, concerning 1922 test footage of Kodachrome film.  This represents some of the very earliest color film footage ever:

 http://www.slate.com/blogs/the_vault/2013/02/08/early_color_film_from_1922_actresses_vamp_for_the_camera.html

If you don’t want to read the article full article (it’s brief but quite fascinating), here’s the actual footage: