 Birth | March 28, 1934 29 27 |
 Census | April 5, 1940 (Age 6 years) |
 Birth of a brother | James Lynn Clapper August 3, 1941 (Age 7 years) |
| Death of a paternal grandfather | George Jacob Clapper October 18, 1942 (Age 8 years) |
 Historical Event | World War II between December 1941 and August 1945 (Age 7 years)Note: The United States enters World War II after the attack at Pearl Harbor, a global war that involved the vast majority of the world's nations and including all of the great powers - http://en.wikipedia.org/wiki/World_War_II |
| Census | April 20, 1950 (Age 16 years) |
| Death of a maternal grandmother | Clara Eleanor Travis April 8, 1952 (Age 18 years) |
| Historical Event | Korean War between 1950 and 1953 (Age 15 years)Note: The Korean War was a war between the Republic of Korea (South Korea), supported by the United Nations, and the Democratic People's Republic of Korea (North Korea), at one time supported by the People's Republic of China and the Soviet Union - http://en.wikipedia.org/wiki/Korean_War |
| Historical Event | Vietnam War between 1946 and 1975 (Age 11 years)Note: The Vietnam War was a long, costly armed conflict that pitted the communist regime of North Vietnam and its southern allies, known as the Viet Cong, against South Vietnam and its principal ally, the United States. The divisive war, increasingly unpopular at home, ended with the withdrawal of U.S. forces in 1973 and the unification of Vietnam under Communist control two years later. More than 3 million people, including 58,000 Americans, were killed in the conflict. - http://en.wikipedia.org/wiki/Vietnam_War |
| Death of a father | Paul Glen Clapper April 12, 1986 (Age 52 years) |
| Death of a mother | Edith Iona Giesler April 8, 1991 (Age 57 years) |
| Death of a brother | Glen Alan Clapper February 16, 2000 (Age 65 years) |
| Death of a brother | James Lynn Clapper June 2, 2000 (Age 66 years) |
 Death | May 14, 2022 (Age 88 years) |
 Burial | Cemetery - also add to Place of burial: Willamette National Cemetery |