Mark Alton Schwalm, b: 1918 -

^{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}



		^{Elvin R. Schwalm}^{b.1881 Hubley Township, d.1968}

	^{Mark Alton Schwalm}^b.1918 d.		^{Henry Oscar Williard}^{b.1863 Lykens Township, d.1939}

^{Joanne Schwalm}^b.1945 d.		^{Etna May Williard}^{b.1885 d.1968 ,}	^{Amanda Barbara Miller}^{b.1863 Jordan Township, d.1913}

^Ann Schwalm^b.1947 d.

^{Karl E. Schwalm}^b.1949 d.

	^Helen Fager^b.1920 d.