Between May and June 1944, five seemingly innocent crosswords printed in The Telegraph featured codewords linked to the invasion of Normandy
Between May and June 1944, five seemingly innocent crosswords printed in The Telegraph featured codewords linked to the invasion of Normandy
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Telegraph crossword centenary: A century ago, The Telegraph launched a new craze
Documents being auctioned later this month include locations of barbed wire, anti-tank defences and minefields
Historic documents released to shed light on what happened to staff who deciphered Nazi messages during Second World War
To mark a centenary of solving, we’re revisiting some special brainteasers from the past
Seeing in the new millennium with a special crossword puzzle
A rare rhyming puzzle from the final outing of the original Telegraph compiler - and a milestone in British crossword history
