Elizabeth II and which other head of state opened the Channel Tunnel railway tunnel that connects Folkestone (UK) with Coquelles (France) beneath the Channel/La Manche?
François Mitterand The Tunnel was opened in May, 1994. When the UK left the European Union at the beginning of 2021 some aspects of the service changed but the Tunnel still operates.
The world's first publicly subscribed passenger railway, the Stockton and Darlington, opened in England with steam engines when?