Historical clue formulations

• Sets in motion — 2025-10-17
• Prompts — 2025-01-10
• They might be lost — 2024-05-31
• Philanthropists have them — 2023-03-03
• Welfare worker's workload — 2016-10-27
• Reasons — 2006-12-31
• Political movements — 2004-08-25
• Subjects of investigations — 1995-05-28
• Reasons why — 1994-04-27