There's lots of great history on the web! Here are some of my favorites:
The World History Timeline (Facebook): https://www.facebook.com/TheWorldHistoryTimeline/
Carolina Chronicles (Facebook): https://www.facebook.com/CarolinaChronicles/
Colonial and State Records of North Carolina: http://docsouth.unc.edu/csr/
Samuel Pepys' Diary (Great record of what London was like in the 1660s - politically, culturally, historically): http://www.pepysdiary.com/diary/
N.C. Office of Archives and History: http://www.history.ncdcr.gov
S.C. Office fo Archives and History: http://scdah.sc.gov/Pages/default.aspx
VA Dept. of Historic Resources: http://www.dhr.virginia.gov
Eastern North Carolina Digital Library: http://digital.lib.ecu.edu/historyfiction/
Documenting the American South: http://docsouth.unc.edu
NCpedia: http://www.ncpedia.org
World History Hyperhistory: http://www.hyperhistory.com/online_n2/History_n2/a.html
American Yawp: http://www.americanyawp.com
Internet Archive: https://archive.org
Project Gutenberg: http://www.gutenberg.org/wiki/Main_Page
Our Americas Archive: http://oaap.rice.edu
Appositions (on early and medieval Renaissance): http://appositions.blogspot.co.uk/2011/05/sarah-barber-caribbean-heritage-digital.html
British History Online: http://www.british-history.ac.uk
African Americans and Slavery: http://www.latinamericanstudies.org/slavery.htm
Eyewitness to History: http://www.eyewitnesstohistory.com
Ancient Civilizations: http://www.ushistory.org/civ/
Ancient Greece: http://ancient-greece.org
Ancient History Encyclopedia: http://www.ancient.eu/index/
Asian History: http://afe.easia.columbia.edu
Oxford Research Encyclopedia of American History: http://americanhistory.oxfordre.com
Oxford Research Encyclopedia of Latin American History: http://latinamericanhistory.oxfordre.com
Internet Sites for Latin America w/Primary Sources: http://libguides.bgsu.edu/c.php?g=227239&p=1506266
Russian History: http://facstaff.bloomu.edu/mhickey/Russian%20and%20Soviet%20History%20Resource%20Page.htm
Mongol History: http://www.historyworld.net/wrldhis/PlainTextHistories.asp?historyid=aa76
Ottoman History: http://www.theottomans.org/english/index.asp
Byzantine Empire History: https://www.britannica.com/place/Byzantine-Empire
Islamic History: https://historyofislam.com/contents/
Caribbean History: http://elon.libguides.com/Caribbean_History/Internet_Resources
Ancient Indian History: http://www.ancient.eu/india/
Medieval History: http://members.efn.org/~acd/medievalpage.html
Enlightenment History: http://history-world.org/age_of_enlightenment.htm
Scientific Revolution: http://hti.osu.edu/scientificrevolution/historical_resources; http://mychesterfieldschools.com/wp-content/uploads/instruction_files/social_studies/World_HistoryII/scientific_revolution_websites.htm
World Religions History: http://libguides.regis.edu/c.php?g=53695&p=346002
Reformation History: http://www.historylearningsite.co.uk/the-reformation/
Roman History: http://www.roman-empire.net
Han China History: http://www.ancient.eu/Han_Dynasty/
Digital Public Library of America: https://dp.la/primary-source-sets
Carolina Chronicles (Facebook): https://www.facebook.com/CarolinaChronicles/
Colonial and State Records of North Carolina: http://docsouth.unc.edu/csr/
Samuel Pepys' Diary (Great record of what London was like in the 1660s - politically, culturally, historically): http://www.pepysdiary.com/diary/
N.C. Office of Archives and History: http://www.history.ncdcr.gov
S.C. Office fo Archives and History: http://scdah.sc.gov/Pages/default.aspx
VA Dept. of Historic Resources: http://www.dhr.virginia.gov
Eastern North Carolina Digital Library: http://digital.lib.ecu.edu/historyfiction/
Documenting the American South: http://docsouth.unc.edu
NCpedia: http://www.ncpedia.org
World History Hyperhistory: http://www.hyperhistory.com/online_n2/History_n2/a.html
American Yawp: http://www.americanyawp.com
Internet Archive: https://archive.org
Project Gutenberg: http://www.gutenberg.org/wiki/Main_Page
Our Americas Archive: http://oaap.rice.edu
Appositions (on early and medieval Renaissance): http://appositions.blogspot.co.uk/2011/05/sarah-barber-caribbean-heritage-digital.html
British History Online: http://www.british-history.ac.uk
African Americans and Slavery: http://www.latinamericanstudies.org/slavery.htm
Eyewitness to History: http://www.eyewitnesstohistory.com
Ancient Civilizations: http://www.ushistory.org/civ/
Ancient Greece: http://ancient-greece.org
Ancient History Encyclopedia: http://www.ancient.eu/index/
Asian History: http://afe.easia.columbia.edu
Oxford Research Encyclopedia of American History: http://americanhistory.oxfordre.com
Oxford Research Encyclopedia of Latin American History: http://latinamericanhistory.oxfordre.com
Internet Sites for Latin America w/Primary Sources: http://libguides.bgsu.edu/c.php?g=227239&p=1506266
Russian History: http://facstaff.bloomu.edu/mhickey/Russian%20and%20Soviet%20History%20Resource%20Page.htm
Mongol History: http://www.historyworld.net/wrldhis/PlainTextHistories.asp?historyid=aa76
Ottoman History: http://www.theottomans.org/english/index.asp
Byzantine Empire History: https://www.britannica.com/place/Byzantine-Empire
Islamic History: https://historyofislam.com/contents/
Caribbean History: http://elon.libguides.com/Caribbean_History/Internet_Resources
Ancient Indian History: http://www.ancient.eu/india/
Medieval History: http://members.efn.org/~acd/medievalpage.html
Enlightenment History: http://history-world.org/age_of_enlightenment.htm
Scientific Revolution: http://hti.osu.edu/scientificrevolution/historical_resources; http://mychesterfieldschools.com/wp-content/uploads/instruction_files/social_studies/World_HistoryII/scientific_revolution_websites.htm
World Religions History: http://libguides.regis.edu/c.php?g=53695&p=346002
Reformation History: http://www.historylearningsite.co.uk/the-reformation/
Roman History: http://www.roman-empire.net
Han China History: http://www.ancient.eu/Han_Dynasty/
Digital Public Library of America: https://dp.la/primary-source-sets