PBS
Pbs: Bleeding Kansas 1853 1861
This site details events surrounding the era known as "Bleeding Kansas" due to the conflict surrounding slavery in what is now Kansas.
Other
Books of the Kansas Collection: History of Kansas
The University of Kansas provides an online book, William G. Cutler's "History of the state of Kansas," published in 1883, which chronicles the history of Kansas.
Other
Bicknell Family Home Page: Santa Fe Trail
History of the Santa Fe Trail, focusing on the historical journey of William Becknell, the "father" of the Santa Fe Trail.
Kansas Historical Society
Kansas History in a Nutshell
Huge site spanning the entire history of Kansas broken into several eras. Includes a timeline, several primary source documents, and photos. For such a large site, very easy to navigate.
Library of Congress
Loc: America's Story: Kansas
Look at this site for an overview of Kansas state facts. Discover why Kansas is known for its tornadoes. Where is the "geographic center of the 48 contiguous states?"
Other
Office of the Governor, Kansas: Kansas History
This site has a thorough summary of the history of Kansas beginning with the settlement of the area through the 20th century.
Ducksters
Ducksters: Kansas State History for Kids
A site discussing the history and timeline of the state of Kansas including early explorers, Native Americans, settlers, Bleeding Kansas, the Wild West, and the Civil War.
NSTATE
Learn About the 50 States: The Great Seal of Kansas
Provides a brief description of the great seal of Kansas and its admittance to the Union.