What is the answer to "History textbook unit" in the USA Today Crossword?

The answer to the USA Today Crossword clue "History textbook unit" is ERA (3 letters).

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USA

History textbook unit USA Today Crossword Clue

Across clue · from the August 5, 2026 puzzle

Stuck on “History textbook unit” from the USA Today Crossword? Here is the verified answer:

Answer

ERA

3 letters · Across · last seen August 5, 2026

1ASemisolid precipitation5 1DAlternative to "solve" or "buy a vowel," on "Wheel of Fortune"4 2DSolitary4 3DLetters on pre-1991 maps4 4DBecome less flexible7 5DStarted a game of Sardines3 6DWorkers on a ship4 6ACrochet or macrame5 7DMovie with the song "Naatu Naatu"3 8DOoh and ___3 9DPortion of the day during which teachers don't actually get downtime10 10DWonder Woman's headwear5