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.
One such example of discriminatory legislation was the Prohibition of Mixed Marriages Act, Act No 55 of 1949, an apartheid law which banned marriages between people of different races. This law was enforced for thirty six years and only repealed in 1985.