The U.S. National Archives joins the Commons!, Flickr blog, (February 1, 2010).

Please welcome the U.S. National Archives to The Commons, the world’s public photography archives on Flickr to which you can contribute information and knowledge.

With over 3,000 images in 49 sets uploaded already, perusing these important archival images should keep you entertained for a long time. Their four collections encompass important Americana, ranging from the famous Mathew Brady Civil War images to historical and iconic images of American history.