The Unknown Warrior conceived in 1916 by the Reverend David Railton, who, while serving as an army chaplain on the Western Front, had seen a grave marked by a rough cross, which bore the pencil-written legend 'An Unknown British Soldier'. He wrote to the Dean of Westminster in 1920 proposing that an unidentified British soldier from the battlefields in France be buried with due ceremony in Westminster Abbey "amongst the kings" to represent the many hundreds of thousands of Empire dead. The idea was strongly supported by the Dean and the Prime Minister David Lloyd George. Arrangements were placed in the hands of
LMS Patriot Class 5551 The Unknown Warrior case the LMS Patriot Class. Like the A1 "The Unknown Warrior" is being built with differences as the plan is to run the completed engine on the mainline, so one main difference being the modifications to the tender so that more water and less coal can be carried. It is also planned to have an entirely British-built boiler constructed for the engine which is at present (2017) ongoing. In October 2018 the Llangollen Railway announced that they were no longer able to take on further work with the project of building 5551, the decision being made due to the length