What countries did the reformation spread to?

The Reformation primarily spread to various countries in Europe, including Germany, where it began with Martin Luther's 95 Theses. It also significantly influenced Switzerland, led by figures like Ulrich Zwingli and John Calvin, and spread to countries such as France, England, and the Netherlands. Additionally, the movement had an impact on parts of Scandinavia, particularly Denmark and Sweden, where Lutheranism became the dominant form of Christianity.