The Roman Emperor, Theodosius, died in 395 CE, having reigned since 379 as a Christian. He is credited with eliminating paganism and making Christianity the state religion. ... Although Theodosius unified the eastern and western sides of empire, this was temporary; they permanently split after his death.
precursors include English documents such as the Magna Carta, the Petition of Right, the English Bill of Rights, and the Massachusetts Body of Liberties
someone can be prejudiced towards a certain group but not discriminate against them. Also, prejudice includes all three components of an attitude (affective, behavioural and cognitive), whereas discrimination just involves behaviour.