= Nuclear weapons testing by country
{wiki=Category:Nuclear_weapons_testing_by_country}
Nuclear weapons testing has been conducted by several countries since the onset of nuclear weapon development in the 20th century. Here's a brief overview of the countries known to have conducted nuclear tests: 1. **United States**: The first country to develop nuclear weapons. The U.S. conducted its first test, codenamed "Trinity," on July 16, 1945, in New Mexico. Over the years, the U.S.
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