Book of congratulations
Trounwiessel - Message of congratulations to Grand Duke Henri and Grand Duke Guillaume
The Maison du Grand-Duc has opened an online congratulatory book for members of the public who wish to share a message with Their Royal Highnesses Grand Duke Henri and Grand Duke Guillaume on the occasion of the change of reign on 3 October 2025.

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José , 03.10.2025
"Como monárquico que sou apresento as minhas felicitações por mais umas contínuas jornadas de sucesso..."
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Toitures GOERENS , 03.10.2025
"🎉 Félicitations – Changement de règne 2025 🎉 À l’occasion du changement de règne historique ce 3 oct..."
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Gilles , 03.10.2025
"Vos Altesses Royales, Je suis très reconnaissant de pouvoir vous écrire ces lignes. Je souhaite vous..."
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