On this day August 2nd,1939. The letter that changed the world. It was written by Albert Einstein and Leo Szilard in 1939, and warned President Roosevelt that Germany might be making a nuclear bomb. This letter led to the Manhattan Project, the secret program that produced the first atomic bombs in 1945. You can read the letter or learn more from these sources. Thank you for watching. Please like and subscribe for more stories.
1. en.wikipedia.org
2. ahf.nuclearmuseum.org
3. thebulletin.org
