After the long fights with the Teutonic Order in the late 13th - 14th centuries, most of the old inhabitants of Sudovia were decimated and the land was ravaged.

[4] During the Kościuszko Uprising, in 1794, Vilkaviškis was the site of a battle between Polish insurgents and Prussian troops.

In 1894, the Sudovian book smugglers, in an effort to mobilize their forces, to obtain and distribute the Lithuanian press on a regular basis, founded the secret Society of the Sietynas [lt] in Marijampolė.

[7] After 123 years Sudovia returned to Lithuanian administration after World War I, the collapse of the Russian Empire and the withdrawal of the occupying German army.

In 1918–1919, the southern outskirts with Vištytis and Liubavas were disputed by newly reestablished Poland, with local Poles forming Polish communes, which, however, were forcibly dissolved by Lithuanian forces.

[8] During World War II, it was occupied by the Soviet Union from 1940, and by Nazi Germany in 1941-1944, when it was part of the Kaunas Regional District.