Richard Crookes, b: 1828

^{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 - 1919 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}




	^{Elizabeth Crookes}^{b.1852 Derby d.1904}		^{Richard Crookes}^{b.1828 Birmingham d.1875}

	^{Edward Crookes}^{b.1855 Derby d.}

	^{Sarah Crookes}^{b.1857 Derby d.}

	^{Lewis Crookes}^{b.1859 Derby d.}

	^{George Crookes}^{b.1860 Derby d.}		^Elizabeth^b.1827 d.

	^{Elizabeth Crookes}^{b.1863 Derby d.}