Martin Luther, a German theologian and reformer, is widely regarded as the founder of Lutheranism.

Sola Scriptura, or the belief that Scripture alone is the sole source of religious authority, is a fundamental principle of Lutheranism.

Luther's Ninety-Five Theses, published in 1517, sparked the Protestant Reformation.

Frederick the Wise, Elector of Saxony, provided protection and support to Martin Luther during the early stages of the Reformation.

The Council of Augsburg, held in 1530, attempted to reconcile the differences between Lutherans and Catholics.

Philip Melanchthon, a close associate of Luther, was instrumental in drafting the Augsburg Confession.

The Peace of Augsburg, signed in 1555, granted legal recognition to Lutheranism in the Holy Roman Empire.

Sweden, Denmark, Norway, and Finland all adopted Lutheranism as their official religion during the Reformation.

Hans Tausen, a Danish reformer, was instrumental in introducing Lutheranism to Denmark.

Wittenberg, where Martin Luther taught and preached, became a hub of Lutheranism during the Reformation.

Olaus Petri, a Swedish reformer, was influential in establishing Lutheranism in Sweden.

Martin Luther's writings on justification by faith were central to the Lutheran understanding of salvation.

Jens Nilssøn, a Norwegian reformer, was instrumental in introducing Lutheranism to Norway.

Martin Luther's writings on the sacraments, particularly his rejection of transubstantiation, were significant in shaping Lutheran theology.

Mikael Agricola, a Finnish reformer, was influential in establishing Lutheranism in Finland.