>>16778065The medieval indulgence was a writ offered by the Church, for money, guaranteeing the remission of sin, and its abuse was the spark that inspired Martin Luther's 95 Theses. Luther (l. 1483-1546) claimed the sale of indulgences was unbiblical, challenging the authority of the Church and its claim as God's earthly representative.
https://www.worldhistory.org/article/1902/medieval-indulgence--martin-luther/???
