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  Started 4th March 1933 (but set to 1st Jan 1943 here to save space)
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  Started 3rd April 1922 (but set to 1st Jan 1943 here to save space)
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  28th Nov - 1st Dec Wikipedia
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  4th - 11th Feb Wikipedia
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  17th Jul - 2nd Aug Wikipedia
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  Churchill gives 'Iron Curtain' speech at Fulton, Missouri Wikipedia
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  21st - 25th Feb Wikipedia
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  WikipediaTested at Semipalatinsk
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  Commuists take over China following civil war Wikipedia
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  26th Apr - 20th Jul Wikipedia
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  Exact date unknown Wikipedia
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  "On the Cult of Personality and Its Consequences" Wikipedia
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  23rd Oct - 10th Nov Soviet troops invade Hungary following a revolts against Soviet impossed policies Wikipedia
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  23rd Aug - 22nd Sep Wikipedia
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  First human spaceflight in history by Yuri Gagarin Wikipedia
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  17th - 20th Apr Wikipedia
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  The most powerful artificial explosion in human history - Hydrogen Bomb Wikipedia
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  14th - 28th Oct Wikipedia
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  Led to increased US involvement in Vietnam Wikipedia
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  20th Aug - 20th Sep Wikipedia
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  2nd Mar - 11th Sep Includes the border clash at Damansky Island (March) and Xinjiang (August) Wikipedia
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  Ended 20th Jan 1993 (but set to 31st Dec 1991 here to save space)
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