Video: Public Domain, Free, or CC-licensed

• Internet Archive https://archive.org/. IA includes many formats — text, audio, video, websites — but you can filter search results for video. All content should be in the public domain.
   
• Library of Congress Digital Collections in Film and Video. 
   
• National Archives YouTube channel https://www.youtube.com/user/usnationalarchives/videos. Search within the channel for public domain videos.
   
• Open Video Project https://open-video.org/.
   
• POND5 https://www.pond5.com/. Use "Additional Filters" (Filters > Additional Filters > Public Domain) and select "public domain" to find free resources. 
   
• Public Domain Flix https://www.publicdomainflix.com/
   
• Wikimedia Commons https://commons.wikimedia.org/wiki/Main_Page. This site includes media in the public domain or licensed through Creative Commons.  
   
• Videvo https://www.videvo.net/ Free stock video footage.
   
• Vimeo Creative Commons https://vimeo.com/creativecommons.

Video for Licensing