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| 1952 | Attlee, Clement Richard |  |
3rd Oct Monte Bello Britain explodes its 1st atomic bomb off Australia  , 3rd member of the "nuclear club" |
| 1952 | Churchill, Winston Leonard Spencer | |
| 2nd Oct The 1st British nuclear bomb is exploded |
| 1954 | Churchill, Winston Leonard Spencer | |
| 16th June London The Defence Policy Committee outlines the production of the British H-Bomb |
| 7th July London Cabinet agrees to produce the British H-Bomb in Britain |
| 1955 | Attlee, Clement Richard | |
| 2nd Mar Supports the debate in Parliament for investing in a British hydrogen bomb |
| 1955 | Bevan, Nye | |
| London Has the Party Whip withdrawn because of opposition to Attlee's support for the H-Bomb |
| 1955 | Churchill, Winston Leonard Spencer | |
| 1st Mar London Churchill's budget includes expenditure on the hydrogen bomb |
| 2nd Mar London Opens the debate in Parliament in favour of investing in a British hydrogen bomb |
| 1955 | MacMillan, Maurice Harold | |
| London Produces a White Paper for the adoption of the British hydrogen bomb |
| 2nd Mar London Finishes off the debate in Parliament, "we have to prevent hot war & win the cold war" |
| 1956 | Eden, Robert Anthony | |
| 20th Aug Calder Hall 1st nuclear power is generated in Britain is produced in Calder Hall |
| 1956 | Elizabeth II | |
| 17th Oct Calder Hall Opens Calder Hall nuclear power station |
| 1957 | Bevan, Nye | |
| Rejects Unilateral Nuclear Disarmament |
| Says UND would send a Foreign Secretary "naked into the conference chamber" |
| 1957 | Gaitskell, Hugh Todd Naylor | |
| At Conference the Party follows Gaitskell & rejects Unilateral Nuclear Disarmament |
| 1957 | MacMillan, Maurice Harold | |
| London Agrees with President Eisenhower to test the British hydrogen bomb on Chris tmas Island |
| 1958 | MacMillan, Maurice Harold | |
| Announces a nuclear test ban for 1 year |
| 1959 | MacMillan, Maurice Harold | |
Geneva Attends but a treaty is not agreed due to USA  opposition, the "big hole" theory |
| 1960 | Gaitskell, Hugh Todd Naylor | |
| Scarborough Defeated at Conference & forced to accept Unilateral Nuclear Disarmament |
| 1960 | MacMillan, Maurice Harold | |
| London "Blue Streak" is cancelled, threatens an independent British deterrent |
| 1962 | MacMillan, Maurice Harold | |
London Visits de Gaulle to discuss Anglo  -French co-operation in nuclear weopons |
| 1964 | Douglas-Home, Alexander Frederick | |
| 17th July Nevada Great Britain performs nuclear Test at Nevada test Site |
| 1983 | Thatcher, Margaret Hilda | |
Sep Visits Reagan, objects to Russia  including British & French nuclear arms in SALT |
Nov London Agrees to the deployment of USA intermediate-range missiles in Britain & West Germany  |
| 1985 | Thatcher, Margaret Hilda | |
| 9th Oct London Conservative delegates vote to support the Trident Programme at their Conference |
| 1991 | Major, John Roy | |
| 6th Oct London Major says Britain will keep Trident |
