Original sentence: In 1918 (confirmed by the Treaty of Trianon 1920), most of the county (including Nagyszőllős) became part of newly formed Czechoslovakia.The southern part (including Halmi, Halmeu in Romanian language) became part of Romania except Hungarian occupation between 1940-1944
Edited sentence: In 1920 after the Treaty of Trianon, the territory of most of the county (including Nagyszőllős) became part of newly formed Czechoslovakia.The southern part (including Halmi, Halmeu in Romanian language) became part of Romania except Hungarian annexation between 1940-1944