Question: When did the Acts of Union 1800, which was represented in Parliament by such unions as New Ross, take effect?
Sentence (from "Acts of Union 1800"): The Acts of Union 1800 (sometimes erroneously referred to as a single Act of Union 1801) united the Kingdom of Great Britain and the Kingdom of Ireland (previously in personal union) to create the United Kingdom of Great Britain and Ireland with effect from 1 January 1801.
Relevant evidence: Yes