Joanne Lenore Johnston, b: Private -

^{1994 Channel tunnel opens to traffic}
^{1997 Scotland Scientists clone a sheep}
^{1999 World population reaches 6 billion}
^{2001 New York trade towers destroyed}
^{2002 Twelve countries begin using Euro}

^{1969 Armstrong first person on moon}
^{1986 Nuclear disaster at Chernobyl}
^{1989 Berlin wall falls}
^{1991 Persian Gulf War}
^{1991 Break-up of the Soviet Union}

^{1922 USSR formed by Soviet states}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}




	^{Roscoe Revelly}^{b. d.}

^{Laura Kathryn Revelly}^{b. Private d.}

^{Thomas Maxwell Revelly}^{b. Private d.}

		^{John Johnston}^{b. Private d.}

	^{Joanne Lenore Johnston}^{b. Private d.}		^{Thomas Henry Clarkson}^{b.1920 d.1990}

		^{Kathryn Mary Clarkson}^{b. Private d.}	^Joan Dawson^{b.1925 d.2012 Coffs Harbour, Australia}