There was the development of Feudalism, The Crusades, The Magna Carta, The Hundred Years' War, The Black Death, and the disagreements between Popes and Kings.
In 1753, however, the Marriage Act, promoted by the Lord Chancellor, Lord Hardwicke, declared that all marriage ceremonies must be conducted by a minister in a parish church or chapel of the Church of England to be legally binding.
The Defense of Marriage Act, sometimes shortened to DOMA, is a federal law in the United States which was signed into the legislature by former President Bill Clinton on September 21, 1996.