O'brien, b: -

^{1989 Berlin wall falls}
^{1991 Persian Gulf War}
^{1991 Break-up of the Soviet Union}
^{1994 Channel tunnel opens to traffic}
^{1997 Scotland Scientists clone a sheep}

^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}

^{1903 Wright brothers 1st plane flight}
^{1912 Titanic sinks on maiden voyage}
^{1914 - 1918 World War I}
^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}




^O'brien^{b. d.}



		^{Stanley Parsons}^{b. d.}

	^{Douglas Frederick Parsons}^{b. Private d.}	^{Mary Olive Fairhead}^{b. d.}

^Parsons^{b. d.}		^{Clifford Dare Riley}^{b.1904 North , Western Australia d.1964 Bussel, Western Australia}

	^Riley^{b. d.}	^{Agnes Elizabeth Palmer}^{b.1904 d.2000 South , Western Australia}