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 tree and location on a "leaf" of the tree, showing their affinity with Anne Frank. Part of the intended audience of the on-line project are students of the more than 200 schools in the world named after Anne Frank. Concerns about the tree's health date back to at least 1993, when a soil analysis revealed that leakage from a nearby underground domestic fuel tank was endangering the tree's root system. The city of Amsterdam spent €160,000 on a soil sanitation program to save the tree. For the last several years, the tree was attacked by a particularly aggressive fungus ("Ganoderma applanatum",