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.
More top news
The star celebrates beating Justin Bieber into second place as her song becomes a hit again after a performance at the total solar eclipse.
Heavy thundery rain across Northern Ireland and western Scotland will slowly move east across Scotland and parts northern England overnight.
A family has paid tribute to a "selfless" mother-of-five as she was identified as one of the victims of the Grenfell Tower fire.