Mary Cooper, b: 1832 -

^{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}


	^{Laura Elizabeth Armstrong}^{b.1849 d.1885}

	^{Christopher William Armstrong}^{b.1850 Pinjarra Western Australia d.1928}

	^{James William Armstrong}^b.1852 d.		^{Christopher Armstrong}^{b.1823 United Kingdom d.}

	^{Adam Joseph Armstrong}^{b.1854 d.1874 Fremantle Western Austra}

	^{Bruce Thomas Armstrong}^{b.1856 d.1875}

	^{Charles Edward Armstrong}^{b.1858 d.1946}

	^{George Armstrong}^b.1860 d.		^Mary Cooper^b.1832 d.

	^{Maitland Armstrong}^{b.1862 Mandurah Western Austr d.1889}

	^{Scott Armstrong}^{b.1865 Rockin, Western Australia d.1948 Western Australia}

	^{Jessie Maria Armstrong}^{b.1867 d.1900}

	^{Amy Augusta Amelia Armstrong}^{b.1869 Rockin, Western Australia d.}