text: In 1850 , inspired by Ljudevit Gaj , StarÄ eviÄ started working on the manuscript of Istarski razvod , a Croatian document from 1325 .
simplified: In 1850 , incited by Ljudevit Gaj , StarÄ eviÄ started working on the manuscript of Istarski razvod , a crucial Croatian document from 1325 .