The bomb that changed the world: Who has nuclear weapons today

On July 16, 1945, the world changed forever. The United States detonated the first nuclear bomb in the New Mexico desert. Just weeks later, two atomic bombs were dropped on Hiroshima and Nagasaki, killing over 200,000 people. World War II ended, and the nuclear age began. Today, nine countries have nuclear weapons, and researchers estimate the global stockpile exceeds 12,000 warheads. So, which countries have nuclear weapons? And how did they get them? Watch the video to find out.