Historical clue formulations

• Japanese farewell — 2018-04-10
• "Adios!" — 2017-09-08
• Parting word — 2013-07-06
• "Later!" — 2008-09-19
• Example of 41-Across — 2007-07-18
• Tokyo "ta-ta!" — 2007-05-14
• Something you might part with overseas — 2007-01-05
• Parting word — 2002-09-11
• Japanese farewell — 2002-08-19
• "Toodle-oo" — 2001-07-17
• Goodbye abroad — 1996-05-24