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 |
John Andrew Koppenheffer b.1919 d.1983 | William Cornelius Koppenheffer b.1897 d.1976 | |||||||
Virginia Mae Koppenheffer b.1924 d. | ||||||||
Morris Ray Koppenheffer b.1927 , d. | ||||||||
Ellen Adeline Koppenheffer b.1930 , d. | John Adam (Dutch) Laudenslager b.1875 d.1938 | |||||||
Sarah Elizabeth Laudenslager b.1897 d.1972 | Daniel K. Witmer b.1854 Lower Mahanoy Townshi d.1920 | |||||||
Lilly Adeline Witmer b.1876 Lykens Township, d.1934 | Mary Ann Ossman b.1854 d.1920 | |||||||