Tomb of the Unknown Soldier refers to a grave in which the unidentifiable remains of a soldier are interred. Such tombs can be found in many nations and are usually high-profile national monument

Monument

A monument is a type of structure either explicitly created to commemorate a person or important event or which has become important to a social group as a part of their remembrance of historic times or cultural heritage, or simply as an example of historic architecture...

s. Throughout history, many soldiers have died in wars without their remains being identified. Following the First World War, a movement arose to commemorate these soldiers with a single tomb

Tomb

A tomb is a repository for the remains of the dead. It is generally any structurally enclosed interment space or burial chamber, of varying sizes...

, containing the body of one such unidentified soldier.

During the First World War, the British and French armies jointly decided to bury soldiers themselves in the form normally associated with religion.