Historical clue formulations

• Another way 38-Across is offered — 2023-02-28
• Like Charlie Brown's kite, ultimately — 2016-01-22
• Where "K-I-S-S-I-N-G" occurs, as taunting kids say — 2013-05-22
• Where K-I-S-S-I-N-G happens — 2011-07-17