Related Clues:
- Time span
- 1970's-80's cause
- Slice of history
- Period
- Brand at the laundromat
- Roaring Twenties, e.g.
- Time period
- Stretch of history
- Part of B.C.E.
- The Thatcher years, e.g., in Britain
- Common-interest group
- Conservatives or liberals, say, in the Senate
- Laundry detergent brand
- Historic time
- See 30-Across