The British Library Puts 1,000,000 Images into the Public Domain, Making Them Free to Reuse & Remix Open Culturehttp://www.openculture.com/2013/12/british-library-puts-1000000-images-into-public-domain.html
The British Library came out with its own announcement on Thursday:
We have released over a million images onto Flickr Commons for anyone to use, remix and repurpose.