At a lunch with potential investors, de Sousa recalled the long historical alliance between the two countries which dates back to the 14th century, making it arguably the world's oldest diplomatic alliance.
The President also paid Theresa May visit at at Number 10 Downing Street. Marcelo Rebelo de Sousa ends his visit today with a personal visit to the Queen at Buckingham Palace.
The old alliance (alianca velha) is between Portugal and England, not the U.K. which didn't exist in the 14th century.
By George Moffat from Other on 17 Nov 2016, 18:38