Historical clue formulations

• Former Swedish P.M. Palme — 2013-05-12
• Former Swedish P.M. Palme — 2010-06-20
• Former Swedish P.M. Palme — 2008-01-02
• Palme of Sweden — 2004-09-02
• Former Swedish P.M. Palme — 2002-01-02
• Former Swedish P.M. Palme — 1997-12-28
• With 93-Across, assassinated European leader — 1996-08-11