Nuclear history by country

Nuclear history by country refers to the development, use, and policies surrounding nuclear weapons and nuclear energy in various nations. Here's a brief overview of key countries known for their nuclear history: ### United States - **First Nuclear Weapon**: The Manhattan Project during World War II led to the development and testing of the first atomic bomb in 1945. - **Use in War**: The U.S. dropped atomic bombs on Hiroshima and Nagasaki in August 1945.