Answer:
On November 9, 1518 the pope condemned Luther's writings as conflicting with the teachings of the Church. ... Luther refused to recant, and on January 3, 1521 Pope Leo excommunicated Martin Luther from the Catholic Church. On April 17, 1521 Luther appeared before the Diet of Worms in Germany.
Explanation:
officially exclude (someone) from participation in the sacraments and services of the Christian Church.
