History of Denmark
Official Window to Denmark.  Introductory article with links to lengthy pieces on selected periods in Danish history.  In English.

History of Denmark
Encyclopedia-style articles on various eras in the history of Denmark.  Links to related articles.

Brief History of Anglo Saxon England
History of the Danes in England.

Anglo Saxon Britain, Viking raids, and the Norman invasion 
Brief history of the period 410 A.D. to 1066.

History of Vikings
Includes Danes in England

The Vikings
Links to articles on various aspects of Viking life and the Viking invasions of England.  Links to interactive sites.

The Vikings: Colonization of England and France
Historical account with links to external sites with additional information.

Warrior Challenge: Vikings
Brief accounts of the Vikings in Britain, France, Ireland and Scotland, North Atlantic, and Russia and the Middle East

Timeline of Danish History
430 AD to 1993

Timeline of the Vikings and Scandinavia
103 A.D. to 2006

Military History and World War II

Danish Military History
In Danish.

Occupation in Denmark 1940 - 1945
Official Window to Denmark.  Subpage link from History of Denmark, above.

Rescue of Danish Jews in World War II
Summary of key events with links to additional and more detailed articles at external web sites.

World War II: European Campaign
Multi-page summary of the war in Europe.

The World Wars and the Inter-War Period: 1912-1945
A timeline of events in Denmark.  Multi-page.