| 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  | |||||||
![]()  |  Harold Arthur DEAN b.1887 d.1965 Derby, England  | |||||||||
|  Ronald Arthur DEAN b.1917 d.2001 Derby, England  | ![]()  |  Catherine Anna NEWBY b.1856 Messing, Essex, England d.1931  | ||||||||
|  Alec Percy DEAN b.1920 Kirk Ireton, England d.2006 New Brighton, Cheshire  | ![]()  | ![]()  |  John MYERS b.1836 Child Green, Hertfordshire d.1906 Wheathampstea, England  | |||||||
|  William Alfred DEAN b.1927 Holybush Farm, Derby d.2001 Derby, England  | ![]()  |  William MYERS b.1866 Wheathampstea, England d.1936 Ashbourne, England  |  Louisa RUSSELL b.1837 Harpenden, England d.1907 Wheathampstea, England  | |||||||
![]()  |  Florence MYERS b.1891 Wheathampstea, England d.1980 Derby, England  | ![]()  |  George GRAY b.1846 Harpenden, England d.  | |||||||
![]()  | ![]()  |  Mary Ann GRAY b.1869 Wheathampstea, England d.1935 Ashbourne, England  |  Susan PARTRIDGE b.1844 Winchmore Hill, England d.  | |||||||
![]()  | ![]()  | |||||||||