Answer:

Why do we celebrate Hiroshima Day? This day is a reminder of the bombing attack on Hiroshima by the United States during World War II. Hiroshima Day is to promote peace politics against the war.

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Explanation:

On August 6, the 70th anniversary of the atomic bombing of Hiroshima, we at The Japan Times call on all people of conscience to repudiate nuclear weapons and work together to build a world without them.

It was 70 years ago this week that the United States dropped an atomic bomb on the city of Hiroshima, Japan, killing more than 140,000 people—more than anyone else during World War II. The bombing annihilated a large swath of the city, including a school where more than 80% of the children who died were between 6 and 11 years old.

One year after the bombing, on Aug. 6, 1945, Japanese executive Nagasaki was also hit with an atomic bomb. That day killed about 35,000 people, making it the second deadliest attack in history after Hiroshima.