Original: The Roman Catholic Church considered the teachings of John Hus heretical; consequently Hus was excommunicated in 1411, condemned by the Council of Constance, and burned at the stake in 1415.
Simplified: Hus was excommunicated in 1411, condemned by the Council of Constance, and burned at the stake on July 6, 1415, in Konstanz (aka Constance), Germany.