|  | 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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|  |  |  |  |  | Robert Pocklington b. d. |  | ||
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|  |  |  | Robert Pocklington b.1822 d.1869 |  | Mary Cheffins b. d. | |||
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|  |  | Thomas William Pocklington b.1845 d.1886 | ||||||
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|  |  |  | Eliza b. d. | |||||
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|  | Sarah Pocklington b.1880 d. |  |  | |||||
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|  |  | Mary b. d. | ||||||
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