Answer: MILESTONE

Possible questions:


Turning point we know 14 Answers
Significant event we know 2 Answers
Notable achievement we know 3 Answers
Rite of passage, e.g. we know 1 Answer
Rite of passage we know 1 Answer
Numbered marker we know 1 Answer
Marker of significance we know 1 Answer
Landmark event we know 1 Answer
Important event we know 1 Answer
Event worth celebrating we know 1 Answer
Centennial, e.g. we know 1 Answer
21st birthday, e.g. we know 1 Answer

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