General

The History Channel  http://www.historychannel.com
Select a decade from "History of the World Timeline", then choose your year.  Gives a list of 10-12 major events during that year.

American and British History Resources on the Net  http://www.libraries.rutgers.edu/rulib/socsci/hist/amhist.html 
Search by subject, period, or themes for maps, documents, biographies, statistics, and additional links.
 
Smithsonian Museum Links to American History   http://www.si.edu/resource/faq/nmah/start.htm 
Selected links to sites hosted by the Smithsonian.

The History Net   http://www.thehistorynet.com/

Multnomah County Library's Homework Center: American History   http://www.multnomah.lib.or.us/lib/homework/amhsthc.html 
Links to more specific topics in American history.

Colonial Period

Colonial Hall: A Look at America's Founders  http://www.colonialhall.com/index.asp 
Biographies of the Founding Fathers. 

The Colonial American Gazette  http://www7.bcity.com/history 
Includes article on the Great Awakening. 

French and Indian War  http://www.digitalhistory.org/wolfe.html