On 15 July, as the situation of the Polish armies became desperate, the French government, more pro-Polish than the British, authorized its military representatives to take a more active role and offer technical advice to the Polish army. De Gaulle was attached to the General Staff of the southern Polish army. He witnessed at first hand the extraordinary reversal of events – the so-called Miracle of the Vistula – when a bold Polish counter-offensive stemmed the Soviet attack.