Historical clue formulations

• Lets it all out, say — 2023-03-05
• They can blow a lot of hot air — 2021-03-24
• Parts of volcanoes — 2019-01-23
• Doesn't keep one's emotions pent up — 2017-11-04
• Lets it all out — 2015-06-28
• Blows off steam — 2008-02-13
• Step 7 of the journey — 2002-12-01
• Lets off steam — 2000-03-19
• Relieves — 1995-05-10