the United States
Portals (websites that give you links to other websites)
Library of Congress homepage - The United States national library, the Library of Congress, provides a wide variety of digitalized and online resources, such as the American memory project, Veterans History, as well as historic newspapers and photographs.
Library of Congress American history digital collections
World Digital Library - collection of primary resources (maps, photos, documents, etc.) from around the world, in many languages; created by the Library of Congress.
The Digital Librarian - African-American resources page
The Digital Librarian - Native Americans page
The Internet Public Library (IPL) - September 11th and beyond collection
The IPL - American States collection - everything you need to know about each U.S. state
The IPL - American Presidents collection - everything you need to know about each U. S. President
The IPL - American elections collection
The IPL - Iraq War collection
Biographies written for students - short and simple biographies - includes U.S. Presidents
A brief timeline of American literature, music and movies
America.gov - this website is created by the US State Department with the express purpose of promoting America and American interests, so keep that bias in mind when reading material here; having said that, there are some good ebook resources here on American history, literature, culture, economy, etc.
National Juke Box - from the U.S. Library of Congress - over 10,000 historical recordings (from 1901 to 1925) you can stream (not download) for free; great to use in a history project for example - find a song and add a link to your slide show!
Time Magazine archives - search magazines from 1923 to the present; topical collections (the Holocaust, famous authors, Presidents, etc.) have already been created for you.
Trenches on the Web - Tons of info on World War I from an American point of view
The Digital Public Library of America
The DPLA portal allows you to search hundreds of American library and museum collections for digital objects such as images, sound and video files, texts, etc. all from one search environment. This is a great place to start your search for primary sources about any American topic from baseball to the Civil Rights Movement!
History Animated- "if a picture is worth a thousand words, a good animation is worth ten thousand. . . we decided to depict the key naval and land battles (U. S. Revolutionary War, U.S. Civil War, WWII in the Pacific and WWII in Europe) using animation technology".
American Archive of Public Broadcasting- "a collaboration between WGBH and the Library of Congress with a long-term vision to preserve and make accessible significant historical content created by public media"
Browse the Collection - find audio and video on American topics from the 20th and 21st century (such as interviews with Rosa Parks and other Civil Rights activists)