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The very first instance of a document stating that the monarch could not be an all-mighty god king who could do however they please, the Magna Carta established some of the first limits on the power of the English throne.
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Martin Luther, a German Monk, released his Ninety-five Theses, or issues with the Catholic Church. This sparked the protestant reformation, an event that would split Christianity in Europe, and lead to conflict in England that saw James II deposed years later, indirectly helping end limited monarchy.
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King Henry VIII, unable to divorce his wife due to the Roman Catholic Pope's ruling, split England from the papacy and established the English Church as the official religion in the country. This forever changed religion in England, a major factor in the Glorious Revolution.
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After being named successor to the throne by her younger cousin Edward VI before his premature death, Lady Jane Grey ascended to the English throne for a brief period. She was eventually deposed by supporters of Mary Tudor, which would officially set the course of the English monarchy all the way until James II, the king who saw the start of limited monarchy. If Lady Jane retained her power, the monarchy may have held onto power longer.
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Although technically a series of wars, the English Civil War first saw fighting between the supporters of King Charles I and supporters of parliament. Since parliament supporters won at the end in 1651, the event saw real strives in bringing power from the throne to parliament itself.
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Although not completely removing the monarch's absolute power, The Glorious Revolution saw King James II be overthrown and replaced with William and Mary. This gave much of the power in England to parliament.
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The true nail in the coffin for absolute monarchy in England, the English Bill of Rights heavily limited the monarch's power and gave a lot of power to parliament and the people.