On Thursday 5 June 2014, Her Majesty The Queen, accompanied by His Royal Highness The Duke of Edinburgh, unveiled a plaque at St Pancras International station to celebrate the 20th anniversary of the opening of the Channel Tunnel and the launch of international high speed rail services between the UK and mainland Europe.
The unveiling of the plaque precedes the State Visit of The Queen and The Duke of Edinburgh to France from 5 to 7 June at the invitation of the President of France, Francois Hollande.