| Hint | Answer |
| April 4, 1949 | |
| April 4, 1949 | |
| April 4, 1949 | |
| April 4, 1949 | |
| April 4, 1949 | |
| April 4, 1949 | |
| April 4, 1949 | |
| April 4, 1949 | |
| April 4, 1949 | |
| April 4, 1949 | |
| April 4, 1949 | |
| April 4, 1949 | |
| February 18, 1952 | |
| February 18, 1952 | |
| May 9, 1955 | |
| | Hint | Answer |
| May 30, 1982 | |
| March 29, 2004 | |
| March 29, 2004 | |
| March 29, 2004 | |
| March 29, 2004 | |
| March 29, 2004 | |
| March 29, 2004 | |
| March 29, 2004 | |
| April 2009 | |
| April 2009 | |
| What country left NATO in 1966, but joined back in 2008 | |
| What country withdrew its forces from NATO’s military command structure from 1974 to 1980 | |
| Under what name did Germany originally join as | |
| What is the only NATO member that does not have its own standing army | |
|