Historical clue formulations

• Ibsen's "Peer ___" — 2023-03-10
• Peer of Ibsen — 2021-05-21
• Ibsen's "Peer ___" — 2017-09-12
• Peer ___ — 2017-07-21
• Peer onstage — 2016-07-03
• Ibsen's "Peer ___" — 2010-02-10
• Peer on a stage — 2007-09-01
• "Peer ___" — 2007-05-27
• Ibsen character — 2002-02-22
• "Peer ___" — 2001-04-10
• "Peer ___" — 1996-10-23