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 USA Today in 2013.
History class topic 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: History class topic
These words may or may not be a possible solution to this crosswords clue.- period
 - era
 - time
 - duration
 - now
 - one
 - space
 - length
 - time interval
 - interval
 - moment
 - habitually
 
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