Anne Frank 1944, she kept a diary she had received as a birthday present, and wrote in it regularly. Following their arrest, the Franks were transported to concentration camps. In October or November 1944, Anne and her sister, Margot, were transferred from Auschwitz to Bergen-Belsen concentration camp, where they died (probably of typhus) a few months later. They were originally estimated by the Red Cross to have died in March, with Dutch authorities setting 31 March as their official date of death, but research by the Anne Frank House in 2015 suggests they more likely died in February. Otto, the only survivor
Anne Frank survived. After several weeks, he discovered Margot and Anne had also died. He attempted to determine the fates of his daughters' friends and learned many had been murdered. Sanne Ledermann, often mentioned in Anne's diary, had been gassed along with her parents; her sister, Barbara, a close friend of Margot's, had survived. Several of the Frank sisters' school friends had survived, as had the extended families of Otto and Edith Frank, as they had fled Germany during the mid-1930s, with individual family members settling in Switzerland, the United Kingdom, and the United States. In July 1945, after the Red Cross