Helped start the 30 years war because he challenged the catholic absolutism of the holy Roman emperor Ferdinand 2nd Catherine de Medici had thousands of Protestants killed at Henry of Navarre's wedding Catholics defeated the Protestants and reestablished Catholicism (bohemian phase) Marks the point at which the war extended beyond the borders of the Holy Roman Empire and became a proper European war. King gustavus Adolphus, a brilliant strategist scored major victories for the Protestants, with aid from France.

Banks began handling so much money, new techniques were developed to keep track of it. Double entry booking was a way of keeping track of everyone’s debts and bank balance. the peace treaty that ended the Thirty Years' War in 1648. Marked the end of Europe's religious wars, amended the Augsburg agreement, and weakened the holy Roman emperor Allowed people to buy their salvation A list of Books, created by the Catholic Church, that supported Protestantism or that were overly critical of the Church were banned. Possession could be severe.

members of the Society of Jesus, a Roman Catholic religious order founded by Ignatius of Loyola Allowed people to buy their salvation Aimed to reform the church and reconcile with Protestants. They cracked down on corruption and created a spiritual reawakening. the peace treaty that ended the Thirty Years' War in 1648. Marked the end of Europe's religious wars, amended the Augsburg agreement, and weakened the holy Roman emperor

Religious reform movement within the Latin Christian Church, begun in response to the Protestant Reformation. It clarified Catholic theology and reformed clerical training and discipline in response to Protestant reforms. A treaty between Charles V and the German Protestant princes that let each prince choose the religion of their kingdom (only Protestant or catholic) Holy Roman emperor Ferdinand 2nd shut down several lutheran churches in Bohemia. They then threw those officials out of a window. Murder of Huguenots by Catholics: considered the incident that led to war

Index of Prohibited Books Massacre of Vassy Defenestration of Prague Massacre of Vassy