The 1st H-Bomb test was operated sucessfully on Eniwetok Atoll on May 12. Research on H-Bomb gaind rapid development.

• 1951年5月12日,第一颗氢弹爆炸试验在西太平洋的埃尼威托克岛成功完成。氢弹研究工作获得明显进展。