This is centred primarily on the prefix "Dan" and whether it refers to the Dani or a historical person Dan and the exact meaning of the -"mark" ending.Most handbooks derive the first part of the word, and the name of the people, from a word meaning "flat land", The Nordic Bronze Age (1800–600 BC) in Denmark was marked by burial mounds, which left an abundance of findings including lurs and the Sun Chariot.It is believed that Denmark became Christian for political reasons so as not to get invaded by the rising Christian power in Europe, the Holy Roman Empire, which was an important trading area for the Danes.
Beginning in the 17th century, there were several cessions of territory to Sweden.
In the 19th century there was a surge of nationalist movements, which were defeated in the 1864 Second Schleswig War. In April 1940, a German invasion saw brief military skirmishes while the Danish resistance movement was active from 1943 until the German surrender in May 1945.
From the 8th to the 10th century the wider Scandinavian region was the source of Vikings.
They colonised, raided, and traded in all parts of Europe.
The islands are characterised by flat, arable land and sandy coasts, low elevation and a temperate climate.