| 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  | 
![]()  | ![]()  | ![]()  |  Samuel DEAN b.1829 Kirk Ireton, England d.1909 Derby, England  | |||||
![]()  | ![]()  |  Samuel DEAN b.1863 Great Gate, Staffordshire d.1935 Derbyshire  |  Alice SLATER b.1822 d.1901  | |||||
![]()  |  Wilfred Samuel DEAN b.1893 St Werburgh's Ch, Derby d.1978 Ashbourne, England  | |||||||
|  Neville Samuel DEAN b.1921 d.  | ![]()  |  Catherine Anna NEWBY b.1856 Messing, Essex, England d.1931  | ||||||
|  Agnes DEAN b.1927 d.  | ![]()  | |||||||
|  Lancelot William DEAN b.1938 Derbyshire, England d.  | ||||||||
![]()  |  Marien BROWN b.1900 St Werburgh's Ch, Derby d.1980  | |||||||
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