Historical clue formulations

• "___ on!" ("Come and get it!") — 2019-10-25
• Intro courses? — 2019-02-01
• Jazzes (up) — 2005-06-05
• Stock options? — 2004-07-29
• Adds power to, with "up" — 2003-12-31
• Progresso products — 2002-10-21
• Hot items for colds — 1999-07-25