Plans to mark WWI's 100th anniversary
11 October 2012 Last updated at 09:50 BST
It was known as the war "to end all wars". And though sadly there have been many conflicts since the First World War, its memory still looms large in British culture.
2014 marks the centenary of its outbreak. The Prime Minister, David Cameron, is setting out plans for commemorating that 100th anniversary.
Robert Hall reports.