Historical clue formulations

• Vexing — 2026-02-26
• Irksome — 2024-09-30
• Irksome, like a fly — 2024-06-10
• Persistently annoying — 2023-06-16
• Annoying — 2022-05-08
• Nettlesome — 2022-03-28
• Annoying — 2021-10-25
• Annoying — 2013-05-15
• Like a mosquito — 2012-11-13
• Bothersome — 2012-01-11
• Like mosquitoes — 2011-01-10
• Like gnats — 2009-02-18
• Bothersome — 2009-01-26
• Bothersome — 2004-09-05
• Annoying, as a gnat — 2002-06-11
• Like Dennis the Menace — 2000-06-28
• Vexatious — 1995-06-06