Jason Robert Christensen, b: Living -

^{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}


		^{Hans Frederick Christensen}^{b.1908 New Orleans, LA d.1952 Chicago}

	^{Robert Allen Christensen}^{b. Living d.}	^{O'Rene Mercedes Heinz}^{b.1905 d.1983}

^{Jason Robert Christensen}^{b. Living d.}

	^{Mary Ann Tkach}^{b. Living d.}





^{Anna Mary Rittenhouse}^{b. d.}