Martin Luther is widely recognized as the founder of Protestantism, initiating the Reformation with his Ninety-Five Theses in 1517.

The Protestant Reformation was primarily driven by concerns about religious corruption, particularly the sale of indulgences and the perceived abuses of the Catholic Church.

Martin Luther's Ninety-Five Theses, published in 1517, outlined his objections to the Catholic Church's practices and sparked the Protestant Reformation.

Martin Luther emphasized three key principles: sola fide (salvation by faith alone), sola scriptura (the Bible as the sole source of religious authority), and sola gratia (salvation by God's grace alone).

The Electorate of Saxony in Germany was the first state to officially adopt Lutheranism in 1525.

Ulrich Zwingli was the primary leader of the Protestant Reformation in Switzerland, establishing the Reformed Church of Zurich.

The French Protestants were known as Huguenots, facing persecution and religious wars during the 16th and 17th centuries.

Henry VIII's break with the Catholic Church in the 1530s led to the establishment of the Church of England, with himself as its Supreme Head.

Pietism was a movement within Protestantism that emphasized personal religious experience, emotional devotion, and practical Christianity.

Calvinism, founded by John Calvin, is a Protestant denomination that emphasizes predestination and the sovereignty of God.

Anabaptism is a Protestant movement that rejects infant baptism and emphasizes adult baptism upon personal confession of faith.

Puritanism is a Protestant movement that originated in England and emphasized the importance of simplicity, self-denial, and moral conduct.

Rationalism is a Protestant movement that originated in Germany and emphasized the importance of rationalism and critical thinking in religious matters.

Methodism is a Protestant denomination that originated in the United States and emphasized the importance of personal experience and emotional conversion.

Baptists are a Protestant denomination that originated in the United States and emphasized the importance of individual liberty and the separation of church and state.