Ellen Louisa Helena O'grady, b: 1837 -

^{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}




			^{Francis Henry Vincent}^{b.1839 Fremantle Western Austra d.1888}



	^{Louisa Vincent}^{b.1863 d.1900}



			^{Ellen Louisa Helena O'grady}^{b.1837 d.1923}