Hans Frederick Christensen, b: 1908

^{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}

^{1854 Crimean War with Russia}
^{1869 Opening of Suez Canal}
^{1871 Franco - Prussian War}
^{1895 Marconi invents wireless telegraphy}
^{1899 Boer War begins}


			^{Hans Peter Christensen}^{b.1858 Fensten, Denmark d.1939 Randlev, Denmark}

		^{Christen Christensen}^{b.1884 Denmark d.1966 Streator, IL}	^{Maren Jacobsen}^{b.1860 Maarslet sogn, Denmark d.1941 Randlev, Denmark}

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

^{Jan Frederick Christensen}^{b. Living d.}		^{Anne Elizabeth Reed}^{b.1884 d.1963 Streator, IL}

^{Linda Sue Christensen}^{b. Living d.}

^{Elizabeth Ann Christensen}^{b. Living d.}

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