81 years ago today, on March 4, 1944 (February 10, 1944 in the lunar calendar), American aircraft bombed Berlin for the first time. US fighter jets and bombers On March 4, 1944, American aircraft bombed Berlin for the first time, and the war took a major turning point. Compared with the first time the British Air Force dropped a 2600-ton bomb on the city, the scale of this air strike was not large. But the attack by U.S. B-17 aircraft highlighted the fragility of Germany's recent air defenses. As an Anglo-American joint communiqué stated: "It has been more than a year since the last attack on Berlin during the day, but now they know that there is no security in Berlin, day or night. Everyone in Germany has learned the same lesson."