William John Olk, b: 1920

^{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 - 1919 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}


			^{John B. Olk}^{b.1859 Dale, WI d.1927 Antigo, Langlade, WI}

		^{Clarence Louis Olk}^{b.1892 Antigo, Langlade, WI d.1958 Stevens Point, WI}	^{Mary E. Steffen}^{b.1861 Hortonville, WI d.1929 Antigo, Langlade, WI}

	^{William John Olk}^{b.1920 Antigo, Langlade, WI d.1981 Spokane, WA}		^{Andrew Greshamer}^{b. WI d.}

^{Jane Elizabeth Olk}^{b. Private d.}		^{Cora Mae Greshamer}^{b.1891 Sugar Bush, Waupaca, WI d.1971 Stevens Point, WI}	^{Linda Cornelius}^{b. WI d.}

^{John William Olk}^{b. Private d.}



	^{Betty Eloise Martin}^{b. Private d.}