|  | 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 | 1830 French Revolution 1837 Queen Victoria assumes throne 1854 Crimean War with Russia 1869 Opening of Suez Canal 1871 Franco - Prussian War | 
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|  |  | Mary Lucy SMERDON b.1928 Gelligaer, Wales d.2022 Nursing Home, Devon |  |  |  |  | Francis Cowell SMERDON b.1827 Wolborough, England d.1871 Skewen, Wales |  | |
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|  |  | Thomas John SMERDON b.1914 Merthyr Tydfil, Wales d.1915 Merthyr Tydfil, Wales |  |  | Charles Henry SMERDON b.1863 Skewen, Wales d.1951 Gelligaer, Wales |  | Mary Ann JONES b.1831 Swansea, Wales d.1901 |  | |
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|  |  | Gladys May SMERDON b.1915 Merthyr Tydfil, Wales d. |  | Thomas John SMERDON b.1886 Ferndale, wales d.1965 |  |  | David William THOMAS b. d. | ||
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|  |  | Ivy D SMERDON b.1919 Merthyr Tydfil, Wales d. |  |  | Mary Ann THOMAS b.1863 Tredegar, Wales d.1950 Thomas Street, Wales |  |  | ||
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|  |  | Rhys Charles SMERDON b.1919 Merthyr Tydfil, Wales d.2000 Gelligaer, Wales |  |  | |||||
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|  |  | Bronwen SMERDON b.1921 Merthyr Tydfil, Wales d. |  | ||||||
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|  |  | David F SMERDON b.1922 Merthyr Tydfil, Wales d. |  | Catherine Mary OWEN b.1890 Wales d.1958 Gelligaer, Wales | |||||
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|  |  | Edward K SMERDON b.1924 Merthyr Tydfil, Wales d.1989 Bedwellty, Wales |  | ||||||
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|  |  | Idris SMERDON b.1926 Merthyr Tydfil, Wales d.1946 Penallta Colliery, Wales |  |  | |||||
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|  |  | Olive Patricia SMERDON b.1931 Merthyr Tydfil, Wales d.1977 Merthyr Tydfil, Wales |  | ||||||
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|  |  | Reginald Gordon SMERDON b.1933 Merthyr Tydfil, Wales d.1992 Gelligaer, Wales |  | ||||||
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|  |  | Philip H SMERDON b.1910 Merthyr Tydfil, Wales d.1968 |  | ||||||
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|  |  | Elvira SMERDON b.1912 Merthyr Tydfil, Wales d. |  | ||||||