The Clue
The Gay Nineties and others (4 letter answer)
The Answer
ERAS
Tags
Notes
The answer ERAS is very common and appears about once every 35 puzzles.
Related Clues
Ages
Christian et al.
Cycles
Periods
Times
Big times
Blocks of history
Blocks of time
Bullpen stats
Chapters in history
Christian and Abraham
Christian and others
Epochs
Greek and Roman
Historic periods
Historic times
Historical periods
Important periods
Lasting periods
Mayan and Mundane
Memorable periods
Memorable times
Notable periods
Paleozoic and Cenozoic
Paleozoic and Mesozoic
Periods of note
Periods of time
Points in time
Stages of history
Time divisions
Time periods
Time spans
Timeline divisions
Varro and Vulgar
Cenozoic and Paleozoic, e.g.
Five geological periods
Pitching data: Abbr.
Times to write about
Cy Young candidates' stats
The Depression and the cold war, for two
They're sometimes named after presidents
Definition
ERA as a noun:
1. (era, epoch) = a period marked by distinctive character or reckoned from a fixed point or event
2. (era, geological era) = a major division of geological time; an era is usually divided into two or more periods
3. (earned run average, ERA) = (baseball) a measure of a pitcher's effectiveness; calculated as the average number of earned runs allowed by the pitcher for every nine innings pitched