Timeline Research

http://www.history.com/

https://www.britannica.com/

http://www.worldbookonline.com/student/home

https://www.shmoop.com/history/

http://www.ancient.eu/

U.S. History--http://onlinelibrary.uen.org/ then click Gale Research in Context Grades 6-8, then scroll down and click U.S. History

World History--http://onlinelibrary.uen.org/ then click Gale Research in Context Grades 6-8, then scroll down and click World History