In addition to being 73 years since the liberation of the Auschwitz concentration camp, 2018 also marks the 80th anniversary of Italy's racial laws, promulgated by the fascist regime to enforce racial discrimination, mainly against Italy's Jews.
"Recalling the possibility of the worst, also carries a memory that must be forward-looking", she said, adding that combating anti-Semitism, in whatever form, "is at the heart of this fight" in which everyone has a role to play.
Chaim made his stirring address at the Greater Manchester Jewish Community's annual Holocaust memorial presentation.
New Zealand's award winning Give Nothing to Racism campaign was in part inspired by Kiwi Holocaust survivors who have continued to speak out and to remind us that hatred starts small, in our everyday lives.
Edelstein mentioned an European Union delegation to Tehran and criticized its members for failing to protest an anti-Semitic cartoon contest that took place in the country.
Discussing the message in the book, a Labour Party source told IBTimes UK: "Jeremy was clearly referring to the millions of Jewish victims of the Holocaust and their descendants".
It is important to remember the millions of Holocaust victims because "anti-Semitism, racism and the hatred of others are more relevant" recently, Merkel said in her weekly podcast on Saturday.
Holocaust Memorial Day is the day for everyone to remember the millions of people murdered in the Holocaust, under Nazi persecution and in the subsequent genocides in Cambodia, Rwanda, Bosnia and Darfur.
Every generation must learn and apply the lessons of the Holocaust to prevent new horrors against humanity from occurring. We will bear witness.