Guides
| 16 Jul 1945 | Trinity | 19 |  USA | First fission device test, first plutonium implosion detonation |
| 6 Aug 1945 | Little Boy | 15 | USA | Bombing of Hiroshima, Japan, first detonation of an enriched uranium gun-type device |
| 9 Aug 1945 | Fat Man | 21 | USA | Bombing of Nagasaki, Japan |
| 29 Aug 1949 | RDS-1 | 22 |  USSR | First fission weapon test by the USSR |
| 3 Oct 1952 | Hurricane | 25 |  UK | First fission weapon test by the UK |
| 1 Nov 1952 | Ivy Mike | 10,400 | USA | First "staged" thermonuclear weapon test (not deployable) |
| 12 Aug 1953 | Joe 4 | 400 | USSR | First fusion weapon test by the USSR (not "staged", but deployable) |
| 1 Mar 1954 | Castle Bravo | 15,000 | USA | First deployable "staged" thermonuclear weapon; fallout accident where the crew members of the Japanese fishing ship the Lucky Dragon where all crew members were given radiation poisoning and 1 crew member died. |
| 22 Nov 1955 | RDS-37 | 1,600 | USSR | First "staged" thermonuclear weapon test by the USSR (deployable) |
| 8 Nov 1957 | Grapple X | 1,800 | UK | First (successful) "staged" thermonuclear weapon test by the UK |
| 13 Feb 1960 | Gerboise Bleue | 70 |  France | First fission weapon test by France |
| 31 Oct 1961 | Tsar Bomba | 50,000 | USSR | Largest thermonuclear weapon ever tested |
| 16 Oct 1964 | 596 | 22 |  PR China | First fission weapon test by the People's Republic of China |
| 17 Jun 1967 | Test No. 6 | 3,300 | PR China | First "staged" thermonuclear weapon test by the People's Republic of China |
| 24 Aug 1968 | Canopus | 2,600 | France | First "staged" thermonuclear test by France |
| 18 May 1974 | Smiling Buddha | 12 |  India | First fission nuclear explosive test by India |
| 11 May 1998 | Shakti I | 43 | India | First potential fusion/boosted weapon test by India (exact yields disputed, between 25kt and 45kt) |
| 11 May 1998 | Shakti II | 12 | India | First deployable fission weapon test by India |
| 28 May 1998 | Chagai-I | 9-12 |  Pakistan | First fission weapon test by Pakistan. |
| 9 Oct 2006 | Hwadae-ri | <1 |  North Korea | First fission device tested by North Korea; resulted as a fizzle |
