National Constitution Center
Interactive Constitution
Did you know there are seven Articles and 27 Amendments to the US Constitution? Explore each and every one of them, including the Bill of Rights and other rights around the world, in a super neat US Constitution interactive.
University of Groningen
American History: Essays: The Original 13th Amendment
Links to essays that debates the validity of the original 13th Amendment.
Ducksters
Ducksters: Holidays for Kids: National Freedom Day
Kids learn about National Freedom Day. This site discusses the history and facts about this holiday which commemorates the 13th amendment.
Other
Historical Boys' Clothing: The American Civil War: Reconstruction
Outlines the major programs of the Reconstruction period after the Civil War, and the discrimination that African Americans faced, such as from the Black Codes and the Ku Klux Klan. Also discusses the amendments made to the Constitution...
Mount Holyoke College
Mt. Holyoke: Reconstruction Timeline
Here's a concise timeline that highlights the important facets of reconstruction from the announcement of Abraham Lincoln's reconstruction plans to the end of reconstruction at the election of Rutherford B. Hayes.
University of Virginia
Miller Center at Uva: u.s. Presidents: Abraham Lincoln
The Miller Center of Public Affairs at the University of Virginia offers biographical information on Abraham Lincoln (1809-1865 CE), including short-answer basics and a "Life in brief."