Historical clue formulations

• Helmut ___, 1980s-'90s German chancellor — 2023-11-28
• Chancellor who oversaw Germany's reunification — 2023-03-19
• Department store eponym — 2020-08-25
• Department store eponym — 2016-06-19
• German chancellor between Schmidt and Schröder — 2014-07-10
• 1980s-'90s German leader Helmut — 2013-10-20
• 1980's-90's chancellor Helmut — 2006-10-11
• Germany reunifier — 2003-09-03
• German reunifier — 2001-05-26
• Schmidt's successor as German chancellor — 2001-04-29
• Schroeder's predecessor as chancellor — 1998-12-20
• Schmidt's successor — 1998-01-10
• Successor to Schmidt — 1996-07-21