The Reformation, also known as the Protestant Reformation, was the 16th century schism within Western Christianity initiated by Martin Luther, John Calvin, and others

Look up Reformation, reformation, or re-formation in Wiktionary, the free dictionary.

Reformation may also refer to:

• Movements connected to the Protestant Reformation:
  • English Reformation, series of events in 16th century England by which the church in England broke away from the authority of the Pope and the Roman Catholic Church
  • Icelandic Reformation, King Christian III of Denmark's imposition of Lutheranism, in the middle of the 16th century
  • Reformation in Denmark–Norway and Holstein, the 16th century transition to Lutheranism in the realms ruled by the Copenhagen-based House of Oldenburg
  • Reformation in Switzerland, the Protestant Reformation in Switzerland, during the 1520s
  • Scottish Reformation, part of the wider Protestant Reformation, in 1560
  • Swedish Reformation, the Protestant reformation in Sweden, in 1527
• Radical Reformation, an Anabaptist movement concurrent with the Magisterial Protestant Reformation
• Counter-Reformation (also known as the Catholic Reformation), the period of Catholic revival beginning with the Council of Trent, in response to the Protestant Reformation
• Evening Light Reformation, part of the holiness movement that led to the formation of the Church of God (Anderson, Indiana)
• Liberalism and progressivism within Islam (also known as Islamic Reformation), a variety of movements to reform Islam in the 20th and 21st centuries
• Mormon Reformation, a movement in Utah Territory in 1856–57

• Bohemian Reformation (also known as the Czech Reformation or Hussite Reformation)
• Reformation, a term commonly used in the United States for the Rectification (law) of a written contract or legal instrument
• Post-Suharto era or period of Reformasi (Reform), the (current) era in Indonesia following the 1997 Asian financial crisis and the fall of Suharto, characterized by increased freedom and political participation
• Reformation of hydrocarbons in chemistry, see Catalytic reforming

• Reconstruction (disambiguation)
• Reform (disambiguation)
• Reformasi (disambiguation)
• Reformation Day, a religious holiday celebrated on October 31 in remembrance of the Protestant Reformation
• Reformation Wall, a monument to the Protestant Reformation in Geneva, Switzerland

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