Kammala jumla mai zuwa: An tabbatar da gatan garin Laa lokacin da ƙasashen Austriya suka wuce zuwa Sarki Ottokar II na Bohemia, kuma a 1281 ta Sarkin Habsburg Sarki Rudolph I na Jamus bayan nasararsa a Yaƙin a kan Marchfeld. Duk da haka, muhimmancin garin ya ragu a cikin shekarun da suka gabata, sojojin Margrave Jobst na Moravia sun lalata shi a cikin 1407 kuma a cikin 1426 ta
Sojojin Hussite. A cewar almara, daga baya Paparoma Pius II (Enea Silvio Piccolomini) ya yi aiki a matsayin firist a cocin Ikklisiyar Laa daga 1442, a zahiri ya yi aiki a matsayin wakili na papal zuwa Diet na Imperial kuma mai ba da shawara ga Sarkin sarakuna Frederick III. Don inganta tattalin arzikin Laa, an ba wa 'yan ƙasa gatan yin giya a cikin 1454.