Historical clue formulations

• Portions equal to roughly 17% — 2024-11-19
• Generous portions of pie — 2020-02-17
• Pie wedges in Trivial Pursuit, e.g. — 2016-02-20
• Trivial Pursuit wedges, e.g. — 2013-05-07
• Wedge fractions in Trivial Pursuit — 2012-12-17