| 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  | 
![]()  | ![]()  |  Thomas Ryder b. d.  | ||||||
![]()  |  John Ryder b.1826 d.1900  | |||||||
![]()  | ![]()  |  Elizabeth b. d.  | ||||||
|  Mary Ann Ryder b.1860 d.  | ![]()  | |||||||
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![]()  |  Charlotte Baldwin b.1827 d.1913  | |||||||
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