Historical clue formulations

• First female dean of Harvard Law — 2021-12-04
• Justice nominated by Obama — 2020-04-12
• Justice who joined the bench in 2010 — 2017-09-13
• Supreme Court justice who replaced Stevens — 2016-06-01
• First female U.S. solicitor general, 2009 — 2015-04-04
• Stevens's replacement on the Supreme Court — 2013-04-09