When did the Acts of Union 1800, which was represented in Parliament by such unions as New Ross, take effect?
New Ross (UK Parliament constituency) New Ross was a United Kingdom Parliament constituency, in Ireland, returning one Member of Parliament (MP). It was an original constituency represented in Parliament when the Union of Great Britain and Ireland took effect on 1 January 1801.
United Kingdom general election, 1807 The election to the 4th Parliament of the United Kingdom in 1807 was the third general election to be held after the Union of Great Britain and Ireland.