On what date Hiroshima Day is observed?

August 6th of every year is observed as Hiroshima Day to mark the world's first atomic bombing on Hiroshima, Japan during World War II which instantly killed more than 70,000 people. The day is to remember the victims of the bombing and to promote world peace and create awareness about the hazards of Nuclear Power and nuclear weapons.6th August 2020 marks the 75th Anniversary of Hiroshima Day.