|  | 1969 Armstrong first person on moon 1986 Nuclear disaster at Chernobyl 1989 Berlin wall falls 1991 Persian Gulf War 1991 Break-up of the Soviet Union | 1922 USSR formed by Soviet states 1939 - 1945 World War II 1945 Atomic bomb detonated (Hiroshima) 1950 Korean War begins 1964 - 1973 Vietnam War | 1895 Marconi invents wireless telegraphy 1899 Boer War begins 1903 Wright brothers 1st plane flight 1912 Titanic sinks on maiden voyage 1914 - 1918 World War I | 
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|  |  |  | J.B. Sweetman b. d. | |||||
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|  |  | K. Sweetman b. d. | ||||||
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|  | J.P. Sweetman b. d. |  |  | P.H. Vaughan b. d. | ||||
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|  | R. Sweetman b. d. |  |  |  |  | Leonard George Bowles b.1901 Southampton d.1951 Rush Green, Essex. | ||
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|  | A. Sweetman b. d. |  |  | Leonard Albert Bowles b.1927 Stratford, London. d.1995 Dagenham, Essex. |  | Helen May Presswell b.1901 London d.1954 Goodmayes, Essex. | ||
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|  |  | A. Bowles b. d. |  |  | Ernest Walter Hellis b.1881 Bromley, London d.1969 Hornchurch, Essex. | |||
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|  |  |  | J.E. Hellis b. d. |  | Leonora Jessie Darvell b.1891 London d.1961 Dagenham, Essex. | |||
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