Armenica.org - Contains the complte history of Armenia, covering the period between 800 B.C. and 2004.
http://www.armenica.org/
Euratlas - Provides online maps showing the countries of Europe at the end of each century from AD 1 to AD 2000.
https://euratlas.com/
European NAvigator - Offers knowledge base dedicated to the history and institutions of a united Europe.
https://www.cvce.eu/
History on the Net - General History site with topics linked to the English National Curriculum.
https://www.historyonthenet.com/
Internet Modern History Sourcebook - Contains thousands of sources of historic documents from the early modern period to the present for both Europe and the Americas.
https://sourcebooks.fordham.edu/mod/modsbook.asp