William Bryan Clark, b: 1896 - Mansfield, Texas

^{1929 The Great Depression begins}
^{1939 - 1945 World War II}
^{1945 Atomic bomb detonated (Hiroshima)}
^{1950 Korean War begins}
^{1964 - 1973 Vietnam War}

^{1898 Spanish-American War}
^{1903 Wright brothers 1st plane flight}
^{1908 Ford produces Model T}
^{1913 Edison invents movies w/sound}
^{1914 - 1918 World War I}

^{1846 War w/Mexico,Calif & NM acquired}
^{1861 - 1865 Civil War, North vs. South}
^{1867 Alaska Territory purchased}
^{1869 Transcontinental Railroad complete}
^{1879 Edison invents phono/light bulb}


		^{Harrison Johnson Clark}^{b.1829 Greenville , South Carolina d.1904 Gaylesville, Alabama}

	^{John McGee Clark}^{b.1857 Cherokee Co., Alabama d.1927 Fort Worth, Texas}	^{Nancy Lucinda McGee}^{b.1834 Abbeville, South Carolina d.1890 Cherokee Co., Alabama}

^{William Bryan Clark}^{b.1896 Mansfield, Texas d.1969 Lamont, Oklahoma}		^{Henry Grogan}^{b. d.}

	^{Caroline Kindness Grogan}^{b.1859 Cherokee Co., Alabama d.1941 Fort Worth, Texas}	^{Rebecca Unknown}^{b. d.}





^{Nellie Virginia Whitworth}^{b. d.}