The most common and most likely answer to this crossword clue is the 3 letter word ERA which also is the latest solution we found used in Universal uClick in 2015.
Historical time unit crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| ERA | 100 % | 3 | 
Words with a meaning similar to the clue: Historical time unit
These words may or may not be a possible solution to this crosswords clue.- era
 - period
 - epoch
 - eon
 - mora
 - second
 - annal
 - empire
 - rates
 - minute
 - decade
 - eea
 
Crossword Answer definitions
ERA noun- A time period of indeterminate length, generally more than one year.
 - A unit of time, smaller than eons and greater than periods.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution