Historical clue formulations

• Petrol purchase — 2024-07-11
• Petrol unit — 2024-05-22
• Petrol measure — 2023-10-25
• Petrol unit — 2022-01-16
• Bath water unit — 2022-01-14
• Petrol unit — 2020-10-31
• Reading unit — 2018-03-31
• Petrol measure — 2018-03-17
• Unit of petrol — 2017-09-03
• Petrol unit — 2016-11-08
• Reading volume — 2016-01-16
• Tall order at a British pub — 2014-02-22
• Fizzy drink measure — 2013-02-01
• Petrol amount — 2011-12-27
• Petrol measure — 2011-06-14
• Petrol measure — 2011-04-18
• Size unit of an English soda bottle — 2009-08-30
• Petrol purchase — 2009-01-09
• Petrol purchase — 2008-09-21
• Petrol measure — 2003-08-25
• Bath water unit — 2003-03-28
• Petrol purchase — 2003-03-06
• Petrol unit — 2002-02-19
• BP purchase — 2001-05-05
• Unit of petrol — 2001-04-10
• BP purchase, maybe — 2001-03-16
• Petrol unit — 2000-04-25
• Petrol unit — 1999-05-10
• Unit of petrol — 1998-05-12
• Austin Rover gas unit — 1996-04-10
• Measure of petrol — 1996-03-11
• Petrol amount — 1994-07-13
• Petrol quantity — 1994-05-29