Calmar
a fortified seaport town of Sweden, on the W. side of a narrow strait of the Baltic, separating the island of Öland from the continent, 50 miles N. E. by E. of Carlskrona. The town, built of wood, stands on the small island of Quarnholm; its harbor is small but safe and commodious. Tar, alum, hemp, and timber are extensively exported. Here, in 1397, was concluded the famous treaty which united the kingdoms of Sweden, Denmark, and Norway under the rigorous scepter of Queen Margaret. Here also, in 1520, Gustavus Vasa disembarked to deliver his country from the domination of foreigners and of a sanguinary tyrant. Pop. about 17,500. a