Treaty of Malmö

In Episode XVII ("Heaven") of Brazilian Mapping's Alternate History of Europe series, the Treaty of Malmö was a peace agreement signed after Sweden had besieged the Norwegian capital of Oslo during the War of the Leagues. This forced both Norway and Denmark to surrender and sign a treaty, agreeing to the following terms:
# Denmark shall cede Gotland and Riga to Sweden.
# Holstein shall become a Danish vassal.
# Denmark and Norway shall cease all hostilities and withdraw from the League of Verdun.
The treaty was signed on December 2nd, 1559.