Whats something special that happened in the atomic bomb

The first bomb dropped on Hiroshima was made from uranium. The bomb dropped on Nagasaki was made from plutonium, which was even more powerful than uranium. It is thought that at least 135,000 people died from the Hiroshima explosion and another 70,000 in Nagasaki.

Explanation:

On August 6 1945, an American B-29 bomber dubbed Enola Gay dropped an atomic bomb on the Japanese city of Hiroshima. It was the first time a nuclear weapon had been deployed in warfare and the bomb immediately killed 80,000 people. Tens of thousands more would later die of radiation exposure.

Explanation:

which empire had the greatest influence on the history and cultural development of russia?