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.
The area of Gmina Sejny is 218.01 square kilometers.
Sejny Priest Seminary was created in 1826.
Sejny Priest Seminary ended in 1926.
The area of Sejny County is 856.07 square kilometers.
Vorkuta uprising happened in 1953.
Prague uprising happened in 1945.
Keian Uprising happened in 1651.