Helen Hearle, b: -

^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}

^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}

^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}
^{1903 Wright brothers 1st plane flight}



	^{William Herbert Greaves}^{b.1877 d.1961}

^{Neville Greaves}^{b. d.}		^{Charles Phillip Tonkin}^{b.1865 Frema, Western Australia d.1951 Western Australia}

	^{Elvie Elizabeth Mary Tonkin}^{b.1897 Serpen, Western Australia d.1991}	^{Emma Elizabeth Turner}^{b.1866 Serpen, Western Australia d.1949 Western Australia}





^{Helen Hearle}^{b. d.}