Historical clue formulations

• J. M. ___, "The Playboy of the Western World" playwright — 2017-07-27
• "The Tinker's Wedding" playwright — 2011-09-03
• "The Playboy of the Western World" author — 2001-04-04
• "The Playboy of the Western World" author — 2000-07-24
• "Riders to the Sea" writer — 2000-07-09
• "Playboy of the Western World" playwright — 1999-10-17
• "Riders to the Sea" dramatist — 1995-03-22