American Revolutionary War History
http://www.ushistory.org/declaration/revwartimeline.htm
https://en.wikipedia.org/wiki/American_Revolutionary_War
http://www.bl.uk/onlinegallery/features/americanrevolution/timeline.html
http://www.bl.uk/onlinegallery/features/americanrevolution/warindependence.html
https://www.wsws.org/en/articles/2015/03/24/stamp-m24.html
http://www.pbs.org/ktca/liberty/chronicle_timeline.html
http://mrnussbaum.com/revolution/
http://www.revolutionary-war.net/revolutionary-war-timeline.html
http://www.socialstudiesforkids.com/articles/ushistory/revolutionarywartimeline.htm