The Eurovision Host City Was Prematurely Revealed On Air After Graham Norton Card Blunder
During his appearance on The One Show, Graham also confirmed that the final will be taking place on Saturday 13 May 2023, with the semi-finals airing on BBC One for the first time earlier that week.
Article source: https://www.huffingtonpost.co.uk/entry/eurovision-uk-host-city-announcement-blunder-graham-norton-card_uk_63413603e4b028164535146e