Troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Victoria Jones/Pool Photo via AP)
British soldiers and Republican Guards stand guard at the Elysee Palace, Monday, April 8, 2024 in Paris. Sixteen soldiers from No 7 Company Coldstream Guards and 32 members of the Gendarmerie Garde Republicaine mount guard at the Elysee palace as British troops join French guards in a special ceremony at the Elysee Palace to celebrate 120 years of "entente cordiale" between the longtime rival powers. (AP Photo/Thibault Camus, Pool)
Britain's Prince Edward, the Duke of Edinburgh attends as troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Victoria Jones/Pool Photo via AP)
Scots Guards and troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Aaron Chown/PA via AP)
French President Emmanuel Macron and British ambassador to France Menna Rawlings stand with British soldiers and Republican Guards at the Elysee Palace, Monday, April 8, 2024 in Paris. Sixteen soldiers from No 7 Company Coldstream Guards and 32 members of the Gendarmerie Garde Republicaine mount guard at the Elysee palace as British troops join French guards in a special ceremony at the Elysee Palace to celebrate 120 years of "entente cordiale" between the longtime rival powers. (AP Photo/Thibault Camus, Pool)
French President Emmanuel Macron and British ambassador to France Menna Rawlings gesture outside the Elysee Palace, Monday, April 8, 2024 in Paris. Sixteen soldiers from No 7 Company Coldstream Guards and 32 members of the Gendarmerie Garde Republicaine mount guard at the Elysee palace as British troops join French guards in a special ceremony at the Elysee Palace to celebrate 120 years of "entente cordiale" between the longtime rival powers. (AP Photo/Thibault Camus, Pool)
Scots Guards and troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Aaron Chown/PA via AP)
Troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Aaron Chown/PA via AP)
Troops from France's 1er Regiment de le Garde Republicaine arrive at Buckingham Palace, to partake in the Changing of the Guard ceremony, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Victoria Jones/Pool Photo via AP)
Scots Guards and troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Aaron Chown/PA via AP)
Britain's Prince Edward and Sophie, the Duke and Duchess of Edinburgh, on behalf of King Charles III, with French Ambassador to the UK, Helene Duchene, watch as troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Victoria Jones/Pool Photo via AP)
Troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Aaron Chown/PA via AP)
French Chief of the Army Staff, General Pierre Schill, left and Clive Alderton, Private Secretary to Britain's King Charles III and Queen Camilla, centre, watch as Scots Guards and troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Victoria Jones/Pool Photo via AP)
Members of the public watch as troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Victoria Jones/Pool Photo via AP)
Troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Victoria Jones/Pool Photo via AP)
British soldiers and Republican Guards arrive at the Elysee Palace, Monday, April 8, 2024 in Paris. Sixteen soldiers from No 7 Company Coldstream Guards and 32 members of the Gendarmerie Garde Republicaine mount guard at the Elysee palace as British troops join French guards in a special ceremony at the Elysee Palace to celebrate 120 years of "entente cordiale" between the longtime rival powers. (AP Photo/Thibault Camus, Pool)
Britain's Sophie, the Duchess of Edinburgh attends as troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Victoria Jones/Pool Photo via AP)
A member of the Scots Guards and a member of France's 1er Regiment de le Garde Republicaine shake hands as they partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Aaron Chown/PA via AP)
A member of the Scots Guards and a member of France's 1er Regiment de le Garde Republicaine shake hands as they partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Victoria Jones/Pool Photo via AP)
Britain's Sophie, the Duchess of Edinburgh attends as troops from France's 1er Regiment de le Garde Republicaine partake in the Changing of the Guard ceremony at Buckingham Palace, to commemorate the 120th anniversary of the Entente Cordiale - the historic diplomatic agreement between Britain and France which laid the groundwork for their collaboration in both world wars, in London, Monday, April 8, 2024. France is the first non-Commonwealth country to take part in the Changing of the Guard. (Victoria Jones/Pool Photo via AP)