Russell D. Clarke, b: 1921 -

^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}
^{1969 Armstrong first person on the moon}

^{1903 Wright brothers 1st plane flight}
^{1908 Ford produces Model T}
^{1913 Edison invents movies w/sound}
^{1914 - 1918 World War I}
^{1929 The Great Depression begins}

^{1861 - 1865 Civil War, North vs. South}
^{1867 Alaska Territory purchased}
^{1869 Transcontinental Railroad complete}
^{1879 Edison invents phono/light bulb}
^{1898 Spanish-American War}



		^{Samuel William Clarke}^{b.1880 , d.1952 ,}

	^{Russell D. Clarke}^{b.1921 , d.1969}		^{Elmer Ellsworth Cozad}^{b.1862 d.1899 ,}

^{Cynthia A. Clarke}^b.1952 d.		^{Mabel Elizabeth Cozad}^{b.1887 Cool Spring Township, d.1959}	^{Willamina Maude Troutman}^{b.1868 d.1936}

^{Donald R. Clarke}^b.1954 d.



	^{Helen Nicoloff}^b.1924 d.