Winston Churchill's “naughty document” on which he and Joseph Stalin carved up eastern Europe after the end of the Second World War is to go on public display for the first time.

Written in October 1944 during a late night, whiskey-fuelled meeting in the Kremlin, Churchill and Stalin attempted to “make a nominal agreement” on how Russia and the West should share Hungary, Bulgaria, Yugoslavia and Romania when Hitler was eventually defeated.

The document - which is to go on show at the National Archives from Thursday as part of the exhibition Britain’s Cold War Revealed - shows Churchill’s handwritten proposals that Hungary and Yugoslavia should be divided “50:50?” and Bulgaria “75% to Russia and 25% to the West”.

Stalin appears to have approved the suggestions by scrawling a big blue tick across the top of the manuscript.

Mark Dunton, chief curator of the exhibition, said Churchill called the paper his “naughty document, not for public eyes” because he and civil servants were aware of how it could come across as “callous”.