- Maglemosian culture (9000 - 6000 BC)
- Kongemose culture (6000 - 5200 BC)
- Ertebolle culture (5300 - 3950 BC)
- Funnelbeaker culture (4300 - 2800 BC)
- Danes culture emerges (6th century AD)
- Vikings arrive (8th century - 11th century AD)
- Denmark kingdom (~8th century - 1397 AD)
- Kalmar Union (1397-1537)
- Denmark-Norway (1523-1533, 1537-1814)
- Protestant Reformation (16th century)
- Torstenson War (1643-1645)
- Second Northern War (1655-1660)
- Great Northern War (1700-1721)
- Battle of Copenhagen (1801)
- Napoleonic Wars (1803-1815)
- Gunboat War (1807-1814)
- Treaty of Kiel (1814)
- Norway revolt (1814)
- Second Schleswig War (1864)
- World War I (1914-1918)
- Iceland gains independence from Denmark (1918)
- Germany occupies Denmark (1940-1945)
- Faroe Island granted home rule (1948)
- Denmark joins the European Union (1973)
(This post includes any nation or civilization that occupied at least a portion of Denmark at some point. Unless specified otherwise, the dates correspond to when a nation or civilization existed, but do not necessarily correspond to occupation of Denmark.)
