Possible Questions:
- Recent: Prefix
- 100 yrs.
- Recent: Comb. form
- Time period: Abbr.
- Mid.
- Fivescore yrs.
- Long time: Abbr.
- 100-yr. period
- Time span: abbr.
- One hundred yrs.
- Millennium div.
- Five score yrs.
- Time line period: Abbr.
- The 21st, e.g.: Abbr.
- Part of a millennium (abbr.)
- Many yrs.
- In the middle: Abbr.
- 21st, e.g.: Abbr.
- 2000s, e.g.: Abbr.
- 100 years: Abbr.
- What few people live for: Abbr.
- The 900's, e.g.: Abbr.
- The 1900's, e.g.: Abbr.
- The 1000's, e.g.: Abbr.
- Ten decades, for short
- One-tenth of a millennium (abbr.)
- Noted arcade classic, and this puzzle's theme
- Near the middle: Abbr.
- Midmost: Abbr.
- MCMI to MM, e.g.
- Life span of many a tortoise (abbr.)
- Hundred yrs.
- Eon component: abbr.
- Div. of time
- Decimal meas.
- Cook fish Cajun-style
- About 877,000 hrs.
- A.D. 1–A.D. 100, e.g.
- A new one comes every 100 yrs.
- 800s, e.g.: Abbr.
- 20th, e.g.: Abbr.
- 1900s, e.g.: Abbr.
- 1900-99, e.g.: Abbr.
- 1800's, e.g.: Abbr.
- 1776-1876: Abbr.
- 100th anniv.
- 100-yr. timespan
- 100-yr. stretch
- 100-yr. span
- 100-year time span (Abbr.)