Historical clue formulations

• Floating on water — 2021-12-06
• Swimming — 2020-11-26
• Swimming — 2019-11-19
• Swimming — 2018-12-16
• Swimming — 2018-04-25
• Swimming — 2017-04-29
• Floating — 2013-08-21
• Swimming — 2006-09-10
• Swimming — 2000-09-24
• Floating — 1998-12-26
• Floating — 1994-04-07
• Floating — 1994-01-07