In 1415 Czech religious reformer John Hus was condemned & burned at the stake for this crime
[DOC] [TLE] Jan Hus | Bohemian religious leader | Britannica.com [PAR] The most important 15th-century Czech religious Reformer, whose work was 
transitional ... 1370, Husinec, Bohemia [now in Czech Republic]died July 6, 
1415, ... convicted of heresy at the Council of Constance and burned at the stake.