The Cenotaph, Whitehall media led to its reintroduction. The initial lifespan of a flag was set at five periods of three months. By 1939, they were changed ten times a year, each flag washed twice before being disposed of. By 1924, it was decided that all discarded flags would be sent to the Imperial War Museum who could redistribute them to properly accredited organisations. Whitehall, along with other areas of London, was the scene of celebrations on 8 May 1945 when victory in Europe was declared in the Second World War. More formal processions past the Cenotaph took place during the London Victory
The Cenotaph, Whitehall provided a guard of honour. There were also processions past the Cenotaph organised by veterans' associations. Annual remembrance services also take place at the Cenotaph on other days of the year. These include the regimental parade held by the Royal Tank Regiment on the Sunday following Remembrance Sunday. This is the closest to Cambrai Day (20 November), the anniversary of the Battle of Cambrai that was one of the earliest massed deployments of British tanks. On Anzac Day, 25 April, a Wreath Laying Ceremony and Parade is held at the Cenotaph at 11 am, followed by a Service of Commemoration