What happened in late april and early may of 1945

So the answer is World War II was nearing its end. The Allies announced that the air war against Nazi Germany was over, and Berlin was fully encircled by the Red Army. The World War II timeline below summarizes that the important events that occurred during the war from April 16, 1945, to April 26, 1945.

worldwide, 780 million people do not have access to an improved water source. an estimated 2.5 billion people lack access to improved sanitation (more than 35% of the world's population)

there were 6 major base camps.   the base camps were located in alva, fort reno, fort sill, the madill provisional internment camp headquarters, mcalester and camp gruber.