Act of Union passed by both the Irish and British parliaments

August 1800
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Despite much opposition, the Act of Union was passed by both the Irish and British parliaments in 1800 (signed by George III in August 1800) with effect from 1 January 1801. Pitts intentions to follow the Act of Union with other, more far-reaching reforms, including Catholic Emancipation, were thwarted by George III (who refused to break his Coronation Oath to uphold the Anglican Church).