The move to commemorate the centenary of the start of the First World War may prove useful as a reminder to a large number of Britons who remain decidely sketchy about the conflict.
A survey suggests many people's knowledge of the war blurs easily with World War Two.
More responders apparently thought Germany invaded Poland - as was the case in 1939 - than Belgium in August 1914.
Nine percent of people thought Winston Churchill was prime minister at the start of the conflict - the same number than correctly knew it was Herbert Asquith.
Embarrassingly, 1% of the 1,955 adults quizzed by YouGov for thinktank British Future thought Margaret Thatcher was PM in 1918 and 3% believed Britain and Germany fought the war on the same side.
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