Yom HaShoah is Holocaust Remembrance Day. It coincides with the 27th of Nisan (on the Hebrew calendar) to mark the beginning of the Warsaw Ghetto Uprising of 1943, when Jewish resistance fighters defied the Nazis and fought for freedom and dignity.
In Israel, at 10:00, an air raid siren sounds throughout the country and Israelis are expected to observe two minutes of solemn reflection. Almost everyone stops what they are doing, including motorists who stop their cars in the middle of the road, standing beside their vehicles in silence as the siren is sounded.
The date was selected by the Knesset (Israeli Parliament) on April 12, 1951. The full name became formal in a law that was enacted by the on August 19, 1953. Although the date was established by the Israeli government, it has become a day commemorated by Jewish communities and individuals worldwide.