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
Labour splits over Brexit have been shown in a Queen's Speech amendment calling for the UK to stay in the single market and customs union.
He is accused of raudulently attempting to gain money and housing by pretending he had lost family members.
A plan will be outlined on Monday by Northern Ireland Secretary James Brokenshire after the fourth deadline is missed.