LONDON, ENGLAND - JUNE 18: French president Emmanuel Macron and Prince Charles, Prince of Wales during a ceremony at Carlton Gardens on June 18, 2020 in London, England.  L'Appel du 18 Juin (The Appeal of 18 June) was the speech made by Charles de Gaulle to the French in 1940 and broadcast in London by the BBC. It called for the Free French Forces to fight against German occupation. The appeal is often considered to be the origin of the French Resistance in World War II. President Macron is the first foreign dignitary to visit the UK since the coronavirus lockdown began. (Photo by  Jonathan Brady - WPA Pool/Getty Images)
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