Historical clue formulations

• Requirement for sainthood — 2021-03-29
• One-in-a-million save, say — 2019-08-14
• One-in-a-million event — 2017-05-16
• Sainthood prerequisite — 2015-02-08
• Basis of the Hanukkah story — 2013-09-19
• Backup singer for Smokey Robinson — 2012-01-16
• Subject of a Vatican investigation — 2012-01-15
• Prerequisite for sainthood — 2007-07-31
• Prayer wish — 2006-12-29
• Act of God — 2004-07-05
• Wonderwork — 1997-03-27