| Answer | Crossword Clue |
|---|---|
| milestones | An action or event marking a significant change or stage in development |
| landmarks | An event, discovery, or change marking an important stage or turning point in something |
| landmark | An event, discovery, or change marking an important stage or turning point in something |
| watersheds | An event or period marking a turning point in a course of action or state of affairs |
| watershed | An event or period marking a turning point in a course of action or state of affairs |
