Polish code breakers won the Polish Russian war It wasn’t a miracle, it was Polish intelligence. The victory of the Polish army over Soviet invaders in the summer of 1920 in one of the most important battles of the 20th century. Newly discovered evidence suggests that what came to be known as the miracle on the Vistula river, was no miracle at all. It was all down to Polish military intelligence. The miracle means a miraculous reversal of fortunes – the Russians had been winning the war until they suffered a crushing defeat at the gates of Warsaw. Apparently Poland...