Kalmar, Union of 1397, an act uniting the crowns of Denmark, Norway, and Sweden under Eric of Pomerania and his descendants. Queen Margaret of Denmark, Eric's great-aunt and queen of all three countries, had the union created by a congress of Scandinavian nobles and clergy at Kalmar, Sweden. The Danes dominated the union, and Sweden was often in revolt until 1523, when it became permanently independent. Norway and Denmark remained united until 1814, when Norway was ceded to Sweden.
England's first known inhabitants were cave dwellers who hunted and fished and lived under Stone Age conditions until after 2000 B.C.
The control of Jerusalem and conflicts between Islam and the Western world may read like topics from today's headlines. But they were also at the heart of the Crusades.