Historical clue formulations

• Arkham ___, institution for many Batman foes — 2024-08-12
• ___ seeker — 2024-02-14
• A political refugee might seek it — 2018-06-19
• Refugee's request — 2016-05-22
• Sanctuary — 2011-06-06
• Retreat — 2010-12-26
• Sanctuary — 2008-01-02
• Retreat — 2006-09-16
• Place of refuge — 2006-03-20
• Sanctuary — 1998-12-08
• Safety — 1995-01-21