01/06/2026
🇬🇧🇵🇹 THE DUKE AND DUCHESS OF EDINBURGH ARE VISITING PORTUGAL FROM 1 TO 3 JUNE 2026, TO MARK THE 640TH ANNIVERSARY OF THE TREATY OF WINDSOR.
Signed in 1386, the Treaty of Windsor, cemented the oldest diplomatic alliance still in force.
The program begins in Lisbon with the opening of an exhibition at the Torre do Tombo National Archives dedicated to the historic treaty. It will be the first time since the signing of the document that the original copies in Portuguese and English will be presented side by side to the public.
During their visit to Lisbon, the Duke and Duchess have also visit the Jardim da Estrela where they were received by the Mayor of Lisbon, Carlos Moedas, followed by a ride on one of the city's traditional trams.
The first day of the visit concludes with a reception hosted by the British Embassy, dedicated to celebrating the ties between the Portuguese and British peoples. The meeting brings together representatives of the British community in Portugal and Portuguese partners involved in social, community, and innovation projects.
On June 2nd, for instance, the Duke visits St. Julian’s School (Carcavelos) he will tour the high school art rooms, where he will observe work being done by 9th-grade students in partnership with adults from the Cercica association, as part of a community engagement project. The program also includes meetings with members of the Portuguese Paralympic team, a visit to the school's rugby club training sessions, and the symbolic planting of an oak tree in the gardens of the principal's residence. The visit concludes with a meeting with students participating in the “Duke of Edinburgh Award” program, an international youth development initiative created by Prince Philip, his father.