| Answer | Crossword Clue |
|---|---|
| MACHONE | Chuck Yeager was the first to reach it |
| SOUTHPOLE | Roald Amundsen was the first explorer to reach it |
| STATEDEPARTMENT | Thomas Jefferson was the first to lead it |
| SECRETBALLOT | Australia was the first country to implement it |
| LODESTONE | It was used to make the first compass |
| SAMESEXMARRIAGE | The Netherlands was the first country to legalize it |
| COLUMBUSDAY | Colorado, in 1905, was the first state to observe it |
| WNBA | Lisa Leslie was the first to dunk in it: Abbr. |
| NORTHWESTPASSAGE | The SS Manhattan was the first commercial ship to cross it |
| CLARINET | Mozart was the first major composer to write specifically for it |
| HOLDENCAULFIELD | "If you really want to hear about it, the first thing you'll probably want to know is where I was born ..." |
