Historical clue formulations

• Simultaneously — 2018-11-22
• Simultaneously — 2018-05-27
• Simultaneously — 2017-12-18
• Together — 2010-05-08
• See 25-Across — 2007-11-02
• Simultaneously — 2006-03-02
• Together — 2004-12-24
• Simultaneously — 2004-09-26
• Orderly phrase that can follow one, two or three — 2004-08-19
• Simultaneously — 2003-12-04
• Simultaneously — 2003-03-21
• Unit by unit, in succession — 2001-09-02