From 1346 to 1561, the Teutonic Knights ruled Latvia & this northern neighbor as the Medieval state of Livonia
The Teutonic knights seize the coastal area round Gdansk, 
cutting off... [DOC] [TLE] Poland and the Baltic [PAR] It was ceded to Poland in 1466 by the Teutonic Knights, passed to Prussia in 
1772, and .... To the Teutonic Knights (see Latvia)..........1346-1560; Portions to ... 
of Reval, but in 1582 most of the old Duchy of Estonia fell under Swedish rule.