[2] 1945 (" Trinity ") Russia (formerly the Soviet Union ) 5,830/16,000 [3] 1949 (" RDS-1 ") United Kingdom <_200sup class="reference" id="_ref-3"> [4] 1952 (" Hurricane ") France 350 [5] 1960 (" Gerboise Bleue ") China 130 [6] 1964 (" 596 ") Other known nuclear powers India 40-50 [7] 1974 ("