Oscar I. Kessler, b: 1889 -

^{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}



		^{Charles Henry Kessler}^{b.1866 Lykens Township, d.1940 ,}

^{Roy Oscar Kessler}^{b.1910 d.1996}	^{Oscar I. Kessler}^{b.1889 , d.1970}		^{Sinary Erdman}^{b.1844 his grandparent' home, d.1908}

^{Irene Mabel Kessler}^{b.1911 Lykens Township, d.1998 Tremont Health and Reha}		^{Mary Elizabeth Erdman}^{b.1867 Klingerstown Gap, d.1938}	^{Isabella Wiest}^{b.1847 , d.1919}

^{Homer Henry Kessler}^{b.1916 , d.1985}

^{Violet Kessler}^b.1921 d.

	^{Mabel Troutman}^{b.1890 d.1957}