Historical clue formulations

• Course in which you might learn "cave canem" — 2022-12-22
• Course in which to conjugate "amo, amas, amat ..." — 2009-10-26
• Where "amo, amas, amat" is learned — 2009-02-08
• Basic language course — 2004-05-01
• Where 17- and 61-Across and 11- and 29-Down might be used — 2002-04-30
• Freshman language course — 2000-11-28
• Freshman language course — 1997-09-12