Historical clue formulations

• Game break … or a hint to interpreting the first parts of 17-, 26-, 36-, and 52-Across? — 2024-03-19
• Occasion for a locker room pep talk — 2020-07-07
• 12-minute period expanded to 30 minutes for the Super Bowl — 2018-06-12
• When one might get a pep talk — 2015-08-02