Tomb of the Unknown Soldier services connected with their 'monumental' graves (as presumably newly conceived, and in any case approved, by their respective armies) on Armistice Day 1920 (the burial itself taking place later in January of the following year in France). In the UK, the Tomb of the Unknown Warrior was created at Westminster Abbey, while in France "La tombe du soldat inconnu" was placed in the Arc de Triomphe. The idea of a symbolic Tomb of the Unknown Soldier then spread to other countries. In 1921, the United States unveiled its own Tomb of the Unknown Soldier, Portugal its Túmulo do Soldado Desconhecido,
The Unknown Warrior as tens of thousands of mourners filed silently past. The ceremony appears to have served as a form of catharsis for collective mourning on a scale not previously known. The grave was then capped with a black Belgian marble stone (the only tombstone in the Abbey on which it is forbidden to walk) featuring this inscription, composed by Herbert Edward Ryle, Dean of Westminster, engraved with brass from melted down wartime ammunition. Around the main inscription are four New Testament quotations: A year later, on 17 October 1921, the unknown warrior was given the United States' highest award for valour,