"General Stanislaw Maczek, commander of the Polish 1st Armoured Division, which had helped to seal in the defeated German armies in Normandy... got a job as a barman at a hotel in Edinburgh to support himself and his family"

... because the Communist government in Poland after the War denied him a state and a pension.

That fact is from a piece on the BBC website about the history of Poles in Britain. By and large, it seems to be a story we can be proud of.