The so-called Protestantism was actually the beginning when the king wanted to divorce, so some historians still think that this Protestant reform is simply a "stupid deal".
Long before the Reformation, christians in Europe were almost all Roman Catholics. The Reformation broke the so-called Western Christianity and then divided it into two, three... Until finally there were countless sects of Christians. As a direct result of this reform, the methodology of how people saw the world began to become less monolithic, which led to wider European literacy and eventually forced the government to grant religious freedom.
In medieval Europe, the Catholic Church was the most important guardian of the soul of Christianity, and unlike the secular body, the soul was eternal. Parish priests play an extremely important role in everyone's life, baptizing them, soliciting marriages, listening to their confessions, and making their last prayers. Rendezvous also provided various social services, giving to the poor, going to orphanages, providing possible education, and most Europeans would meet in their lifetime a parish priest who could read the Latin Bible.
The Church owned 1/3 of the land in Europe at that time, and strong land ownership made the Church the most powerful political and economic force on the European continent, and the Pope claimed to rule over all the kings of Europe as heirs to the Roman Emperor. But it was such a huge organization that was broken by a monk with long-term constipation. Although many things are not attributed to one person, the Reformation was really initiated and shaped by one person.
Martin Luther, not Martin Luther King, Jr., the leader of the black movement in the United States. Luther studied law at the time, and like most law students, he hated law. Then one day, a storm blew up. Lightning knocked him to the ground, and he cried. Two weeks later he dropped out of university, entered the Augustinian monastery and took the oath, telling his family that he would no longer have to spend money on expensive education, because the monks were treated very well. 1505 AD. Martin Luther was sent to Rome to participate in the mission, but the problem was that the king did not pay attention to the great works of art in Rome at all, but to the problem of corruption. Martin Luther began to openly ridicule the doctrines of the church, so obsessed with his own sins, that he was eventually sent to the University of Wittenberg to teach the Bible.
Looking around, I finally found the answer in st. Paul's apostle epistles, the phrase "the righteous live by faith" made him feel a lot, in other words, the meaning of this sentence is "salvation comes from faith, there is no good deed, can not be taken through prayer, fasting, vigil, pilgrimage, holy bones, poverty or sacrament to take any action, we will never be good enough, through our actions, worth saving, we only faith." This interpretation of faith, meaning in Latin, eventually turned into a full-blown conflict with the Catholic Church.