Historical clue formulations

• Brown in strips — 2023-12-21
• With 49-Across, silent film star who portrayed the Little Tramp — 2023-08-29
• *Angels' leader — 2016-07-14
• Delta lead-in — 2013-11-29
• Delta preceder — 2013-01-25
• Brown in the funnies — 2012-02-01
• Angels leader — 2005-04-13
• Noted spokestuna — 1995-01-29