Great Sejm
The Great Sejm, also known as the Four-Year Sejm (Polish: "Sejm Wielki" or "Sejm Czteroletni"; Lithuanian: "Didysis seimas" or "Ketverių metų seimas") was a Sejm (parliament) of the Polish–Lithuanian Commonwealth that was held in Warsaw between 1788 and 1792. Its principal aim became to restore sovereignty to, and reform, the Commonwealth politically and economically.