The Vikings lived in Denmark from 800 BC to 1200 BC. They also came from Norway and Sweden. The south of Sweden is consider more Danes than Swedes.
Although Denmark seems to be a country were nothing happens, it is a country where there are a lot of problems. Here are some of the bad things that happened in Denmark:
1. Twelve people were killed after the attack on the 15th of February 2015 at 10:30 pm in the Danish capital. http://internacional.elpais.com/internacional/2015/02/15/actualidad/1424034142_422098.html