The Clue
Periods of history (4 letter answer)
The Answer
ERAS
Tags
Notes
The answer ERAS is very common and appears about once every 35 puzzles.
Related Clues
Ages
Epochs
Periods
Times
Actian and Augustan
Archeozoic, Paleozoic, etc.
Big times
Blocks of time
Bullpen stats
Chapters in history
Gaslight and others
Historic periods
Historic times
Historical periods
History chapters
History units
Important times
Long stretches
Momentous times
Period pieces?
Periods of note
Periods of time
Pitching stats.
Precambrian and others
Precambrian and Paleozoic
Stats for hurlers
Time periods
Timeline segments
Times in history
Unified periods
Varro and Vulgar
Five geological periods
Periods divide them
Time line divisions
Time and time again?
You were, in ancient Roma
They're often associated with world leaders
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