Historical clue formulations

• Butterfly also called a common tiger or wanderer — 2022-03-16
• Jackie Robinson, in his only year in the Negro Leagues — 2020-06-14
• One referred to as "the crown" — 2018-02-23
• Orange, black and white flutterer — 2017-06-21
• Beautiful butterfly — 2015-07-05
• Queen, e.g. — 2014-04-27