Sejny Uprising happened on 1919-09-07.
Sejny was created in 1600.
The population of Sejny is 5,934.
Gmina Sejny's population is 4,106.
The population of Sejny County is 21,331.
The area of Sejny is 4,490,000.0 square meters.
Sejny Priest Seminary was created in 1826.
Sejny Priest Seminary ended in 1926.
The area of Gmina Sejny is 218.01 square kilometers.
The area of Sejny County is 856.07 square kilometers.
Tatarbunary Uprising happened in 1924.
Fedorovych Uprising happened in 1630.
Tikvesh Uprising happened in 1913.