| 1914 - 1918 World War I 1922 USSR formed by Soviet states 1939 - 1945 World War II 1945 Atomic bomb detonated (Hiroshima) 1950 Korean War begins  | 1871 Franco - Prussian War 1895 Marconi invents wireless telegraphy 1899 Boer War begins 1903 Wright brothers 1st plane flight 1912 Titanic sinks on maiden voyage  | 1815 Battle of Waterloo, Napoleon defeat 1830 French Revolution 1837 Queen Victoria assumes throne 1854 Crimean War with Russia 1869 Opening of Suez Canal  | 
|  H E L Walker b. d.  |  R C Walker b. d.  | |||||||
|  R G Walker b. d.  | ||||||||
|  R M Walker b. d.  | ![]()  | ![]()  |  James Rutherford Lumley b.1810 Fort William, Bengal d.1885 Sutton, Surrey  | |||||
|  K M Walker b. d.  | ![]()  |  William Faithfull Lumley b.1844 Fort William, Bengal d.  |  Clara Letitia Faithfull b.1825 India d.1905 Bexhill-on-Sea, Sussex  | |||||
|  M F Walker b. d.  |  Clara Louisa Lumley b. d.  | |||||||
|  C D Walker b. d.  | ![]()  |  Rosa Maddy b. d.  | ||||||
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