Thuringia Free State of Thuringia Freistaat Thüringen Erfurt 1920 Merged from the Free States of Saxe-Weimar-Eisenach, Saxe-Meiningen, Schwarzburg-Rudolstadt, Schwarzburg-Sondershausen and the People's State of Reuss. Saxe-Meiningen Free State of Saxe-Meiningen Freistaat Sachsen-Meiningen Meiningen 1918–20 Merged into Thuringia in 1920. Saxe-Weimar-Eisenach Free State of Saxe-Weimar-Eisenach Freistaat Sachsen-Weimar-Eisenach Weimar 1918–20 Merged into Thuringia in 1920.