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  Cromwell leads a brutal campaign in Ireland including the Drogheda Massacre.
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  Cromwell supports the King's execution, marking the end of monarchy.
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  Cromwell's forces kill hundreds of Irish Catholics, further damaging his reputation in Ireland
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  Cromwell defeats Scottish forces supporting Charles II
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  Cromwell secures final victory over Royalists solidifying the Commonwealth
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  Cromwell forcibly dissolves the ineffective Rump Parliament
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  Cromwell establishes a 'Godly Parliament' mainly composed of Puritans.
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  Frustration with radical reforms leads to its self-dissolution
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  Under the Instrument of Government, Cromwell accepts the role of head of state
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  Cromwell attempts to work with Parliament, but tensions arise
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  Cromwell's plan to seize Spanish colonise in the Caribbean fails.
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  England is divided into 11 military districts under Major Generals to enforce Puritan morality
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  Cromwell dissolves Parliament after they challenge his authority
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  Cromwell permits the return of Jews to England after their expulsion in 1290
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  This Parliament attempts to offer Cromwell the crown
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  Cromwell re-establishes a 'House of Lords' under a different name
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  parliament offers Cromwell the crown which he declines but accepts a modified version to increase his power
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  Cromwell died, leading to political instability
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  Richard lacks support and resigns as Lord Protector
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  The monarchy is restored, ending Cromwellian rule