| 1964 - 1973 Vietnam War 1969 Armstrong first person on the moon 1973 US launches Skylab space station 1981 Columbia is first space shuttle 1991 Persian Gulf War | 1914 - 1918 World War I 1929 The Great Depression begins 1939 - 1945 World War II 1945 Atomic bomb detonated (Hiroshima) 1950 Korean War begins | 1879 Edison invents phono/light bulb 1898 Spanish-American War 1903 Wright brothers 1st plane flight 1908 Ford produces Model T 1913 Edison invents movies w/sound |
![]() | Benjamin Franklin Hoffman b.1924 d. | |||||||
| Michael Franklin Hoffman b.1943 d.1993 | ||||||||
| Toni Ann Hoffman b.1946 d. | ![]() | |||||||
![]() | ![]() | William Cornelius Koppenheffer b.1897 d.1976 | ||||||
![]() | Virginia Mae Koppenheffer b.1924 d. | ![]() | John Adam (Dutch) Laudenslager b.1875 d.1938 | |||||
![]() | ![]() | Sarah Elizabeth Laudenslager b.1897 d.1972 | Lilly Adeline Witmer b.1876 Lykens Township, d.1934 | |||||
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