Appeal of 18 June as the beginning of the Resistance and Free French, historians have shown that the appeal was heard only by a minority of French people. De Gaulle's 22 June 1940 speech on the BBC was more widely heard. General de Gaulle became the "de facto" leader of the Free French Forces that had escaped to London in June 1940. Marshal Philippe Pétain, a hero of World War I, pledged to sign an armistice with Nazi Germany, and led the collaborating Vichy government while the Germans occupied the country's northern portion and several leading politicians, including Georges Mandel, Leon Blum, Pierre Mendès
Battle of Britain on 24 May during the Battle of France by "Directive No. 13" which authorised the Luftwaffe "to attack the English homeland in the fullest manner, as soon as sufficient forces are available. This attack will be opened by an annihilating reprisal for English attacks on the Ruhr Basin." By the end of June 1940, Germany had defeated Britain's allies on the continent, and on 30 June the OKW Chief of Staff Alfred Jodl issued his review of options to increase pressure on Britain to agree to a negotiated peace. The first priority was to eliminate the RAF and gain air