"On the 19th of January of 1943, the Soviet Union began its push towards Berlin and its conquest of Eastern Europe, with the advance led by Marshall Georgy Zhukov. The advance was difficult, as the Nazis and their non-Italian allies in Europe offered fierce resistance at every corner. Of course, by June of 1943, the Soviets had secured Northern Romania, half of Eastern Poland, and Königsberg (modern day Kalinigrad), while Budapest was under siege by Red Army. It was a long and arduous fight, with the Axis powers attempting to stand for every inch of ground. As the Soviets pushed ever closer to Warsaw, Hitler ordered the acceleration of the Final Solution, and the destruction of Warsaw as one of the first acts to accelerate this process. However, before the Germans could start, Warsaw rose up in revolt, and as Red Army forces approached, Warsaw was liberated. The Germans were sent on the retreat and the bad news? Berlin was next......." - The Race to Berlin: A Brief Glimpse
"As Warsaw was liberated by the Russians and the Germans continued to lose ground, the Germans resorted to all sorts of tactics to accelerate the Final Solution, like mass gassing, burning entire villages and towns, destroying population centres, and even outright mass executions. Stalin's men were not any better to Germans, especially in later years, but many were shocked at the sheer horror the Germans were unleashing. Of course, people would attempt to revolt as the Soviet advance pushed further into Poland, and by the 11th of September of 1943, Eastern Europe was liberated by the Soviets, and Prussia was being overrun." - Genocide in the 20th Century: A Complete History; Chapter 15: The Holocaust
"The Winter of 1943 and 1944 was brutal for both sides. Both German and Soviet forces fought in brutal conditions in the snow, and atrocities on both sides were committed. The Germans attempted a counteroffensive in November of 1944 along the Oder River, but it failed. The Battle of the Oder-Neisse was a complete disaster for the Germans and from there, Berlin was exposed. The Soviets finally reached Berlin on the 17th of December of 1944, and on the 2nd of January, the Soviet flag was raised above the Reichstag. Hitler was killed in the fighting, and Himmler became the new Führer of the Reich. It was short-lived, however, and by the 25th of April of 1944, Germany was completely overrun. The War in Europe ended, but the Second World War was far from over. Across the globe, there was still another enemy the Allies and the Soviets needed to worry about....." - The Last Days of the Reich: A Brief Overview
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Coming soon: the Pacific theater!
Oh and NOTE: I am reading through the comments on this thread and it turns out that I need to fix some things. So, for any of you, I have to ask for advice: if September of 1940 is not the best date to launch Sea Lion, what do you suggest I do, go with the original 1941 date I had during the timeline's planning?
Oh and sorry about the delay.