Historical clue formulations

• Humming — 2026-03-29
• Filled with activity — 2026-01-11
• Like hives — 2015-08-22
• Full of excitement — 2015-05-29
• Full of activity — 2006-06-12
• Full of activity — 2005-03-10
• Full of lively gossip — 1997-10-31