In the Spanish colonies in America the colonists created a kind of caste system based on ethnic hierarchy which of course put the Spaniards on top. The rest of ethnic groups ranked based on their resemblance of the Spaniards so for example the Indians would be ranked higher than Blacks as they more resembled the Spaniards.
The Magna Carta. This is because the document itself was created to remove power from the monarch, allowing the people and nobility more rights and freedoms to themselves.