April 15 - Nazi Germany's concentration camp at Sobibor opens.
April 16 - The island of Malta is present the George Cross by the United Kingdom for withstanding the German and Italian aerial onslaughts.
April 18 - USS Hornet[CV-8] launches Jimmy Doolittle and his 16 B-25s on their suprise attack on Japan. The American task forces escape any counter-attack and are ready in time for Midway. Two of the B-25 crews end up prisoners of the Japanese - 3 are executed and 1 dies of malnutrition. One of the survivors, Jacob DeShazer, becomes a minister and returns to Japan to preach Christianity. One of his converts is Mitsuo Fuchida, leader of the attack on Pearl Harbor. Jimmy Doolittle is presented with the Medal of Honor and later leads the 9th Air Force in Europe.
April 20 - Malta weathers another attack by the Luftwaffe and looses 30 Spitfires. In New York City a War Bond rally is held on der Fuhrer's birthday, raising much needed money to defeat the Axis enemy.
April 26 - the Reichstag grants der Fuhrer dictatorial powers, thus ending the last semblence of a democratic government in Berlin.
April 29 - the last land link between the Allies and Chaing Kai-Shek's China is cut off by Japanese advance. From now on, C-47s, C-46s, B-24s, and even B-29s will be the only way supplies will get to China for the next few years by flying over the Hump.
April 30 - by the end of the month, the horrible conditions of the Warsaw Ghetto, where the Nazis have imprisoned Polish Jews, has claimed more than 4,600 lives.