This episode of History Date Night covers May 19th through the 22nd. The German spearhead reaches the sea, cutting the Allied armies in Belgium off from the rest of France . A new French commander's grasp of the crisis is tenuous at best. Justin and Justin also cover Churchill's first radio broadcast as Prime Minister, the British counterattack at Arras that rattles Erwin Rommel, important progress at Bletchley Park against Luftwaffe Enigma traffic, and a British Parliament passing the most sweeping legislation in the country's history in less than three hours of debate.