Historical clue formulations

• Marx brother with a curly wig — 2024-03-20
• ___ Productions (media company) — 2023-06-29
• Sofia's husband in "The Color Purple" — 2023-02-03
• ___ Productions, media company since 1986 — 2022-12-24
• "___ Speaks!" (Marx brother autobiography) — 2022-10-02
• Production company that's its founder's name spelled backward — 2022-08-10
• ___ Productions (media company) — 2020-02-09
• A Marx brother — 2019-05-27
• ___ Productions, Oprah Winfrey enterprise — 2018-08-07
• ___ Productions, company behind TV's "Dr. Phil" — 2017-10-29
• Marx brother who never spoke — 2017-10-16
• One of the Marx Brothers — 2016-11-22
• Horn-honking brother of old comedy — 2015-12-02
• Comic's nickname derived from the instrument he played — 2015-09-09
• ___ Productions (Oprah Winfrey company) — 2014-12-30
• Marx without much to say — 2013-11-03
• Brother of Chico and Groucho — 2013-06-17
• Noted entertainer with a whistle — 2012-02-04
• Silent film star — 2008-05-22
• Sibling of 54-Across — 2007-07-25
• One of the Marx brothers — 2007-02-28
• Oprah's production company — 2006-08-15
• Comedic horn honker — 2005-02-02
• Arthur Marx, familiarly — 2004-05-11
• Mute Marx — 2003-05-14
• Silent movie star? — 2003-03-19
• Silent film star — 2002-11-12
• Dumb film brother — 2002-10-24
• Silent film star — 2002-09-28
• The silent brother — 2000-04-12
• Marx with a horn — 1999-03-04
• First name in comedy — 1998-04-18
• Silent one — 1997-11-30
• His real name was Arthur — 1997-05-03
• His real name was Arthur — 1997-03-22
• A Marx brother — 1995-08-06
• "_____ Speaks" (1962 autobiography) — 1995-03-09
• "_____ Speaks!" (1961 autobiography) — 1994-08-19
• Oprah's production company — 1994-01-30